N-BK7, BiConcave Lenses (AR 633-1064nm)

SLB-B-N-IR1

N-BK7, BiConcave Lenses (AR 633-1064nm)
Out of stock
SKU
SLB-B-N-IR1
These biconcave lenses are Coated 633-1064nm.They are used when a very high negative power is required. They can be used in a multi-element system or alone to produce a diverging cone of virtual image.
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Name Diameter φD Focal length Delivery Price Add to cart
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Biconcave Lens 15mm Diameter −14.7mm Focal Length 633 - 1064nm
SLB-15B-15NIR1
15mm −14.7mm
6-12 weeks
$82.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ15mm
Focal length f −14.7mm
Edge thickness te 5.9mm
Center thickness tc 2mm
Back focal length fb −15.3mm
Radius of curvature r 15.57mm
Centration <1′
i
Biconcave Lens 30mm Diameter −39.7mm Focal Length 633 - 1064nm
SLB-30B-40NIR1
30mm −39.7mm
2 weeks
$116.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ30mm
Focal length f −39.7mm
Edge thickness te 7.6mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconcave Lens 15mm Diameter −29.7mm Focal Length 633 - 1064nm
SLB-15B-30NIR1
15mm −29.7mm
2 weeks
$79.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ15mm
Focal length f −29.7mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconcave Lens 40mm Diameter −39.7mm Focal Length 633 - 1064nm
SLB-40B-40NIR1
40mm −39.7mm
6-12 weeks
$144.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ40mm
Focal length f −39.7mm
Edge thickness te 12.3mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconcave Lens 20mm Diameter −19.7mm Focal Length 633 - 1064nm
SLB-20B-20NIR1
20mm −19.7mm
in stock
$84.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ20mm
Focal length f −19.7mm
Edge thickness te 7.1mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconcave Lens 50mm Diameter −49.5mm Focal Length 633 - 1064nm
SLB-50B-50NIR1
50mm −49.5mm
6-12 weeks
$162.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50mm
Focal length f −49.5mm
Edge thickness te 15.8mm
Center thickness tc 3mm
Back focal length fb −50.5mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 20mm Diameter −39.7mm Focal Length 633 - 1064nm
SLB-20B-40NIR1
20mm −39.7mm
6-12 weeks
$83.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ20mm
Focal length f −39.7mm
Edge thickness te 4.4mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconcave Lens 50mm Diameter −99.5mm Focal Length 633 - 1064nm
SLB-50B-100NIR1
50mm −99.5mm
6-12 weeks
$141.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50mm
Focal length f −99.5mm
Edge thickness te 9.1mm
Center thickness tc 3mm
Back focal length fb −100.5mm
Radius of curvature r 103.8mm
Centration <1′
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Biconcave Lens 25mm Diameter −29.7mm Focal Length 633 - 1064nm
SLB-25B-30NIR1
25mm −29.7mm
6-12 weeks
$111.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −29.7mm
Edge thickness te 7.2mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconcave Lens 50.8mm Diameter −99.5mm Focal Length 633 - 1064nm
SLB-50.8B-100NIR1
50.8mm −99.5mm
in stock
$141.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50.8mm
Focal length f −99.5mm
Edge thickness te 9.3mm
Center thickness tc 3mm
Back focal length fb −100.5mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconcave Lens 25mm Diameter −49.7mm Focal Length 633 - 1064nm
SLB-25B-50NIR1
25mm −49.7mm
6-12 weeks
$104.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −49.7mm
Edge thickness te 5.1mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 51.9mm
Centration <1′
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Biconcave Lens 50.8mm Diameter −249.5mm Focal Length 633 - 1064nm
SLB-50.8B-250NIR1
50.8mm −249.5mm
in stock
$141.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50.8mm
Focal length f −249.5mm
Edge thickness te 5.5mm
Center thickness tc 3mm
Back focal length fb −250.5mm
Radius of curvature r 259.5mm
Centration <1′
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Biconcave Lens 25mm Diameter −79.7mm Focal Length 633 - 1064nm
SLB-25B-80NIR1
25mm −79.7mm
6-12 weeks
$94.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −79.7mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −80.3mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconcave Lens 10mm Diameter −9.7mm Focal Length 633 - 1064nm
SLB-10B-10NIR1
10mm −9.7mm
6-12 weeks
$76.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ10mm
Focal length f −9.7mm
Edge thickness te 4.6mm
Center thickness tc 2mm
Back focal length fb −10.3mm
Radius of curvature r 10.38mm
Centration <1′
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Biconcave Lens 25.4mm Diameter −29.7mm Focal Length 633 - 1064nm
SLB-25.4B-30NIR1
25.4mm −29.7mm
in stock
$111.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25.4mm
Focal length f −29.7mm
Edge thickness te 7.4mm
Center thickness tc 2mm
Back focal length fb −30.4mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconcave Lens 10mm Diameter −24.7mm Focal Length 633 - 1064nm
SLB-10B-25NIR1
10mm −24.7mm
6-12 weeks
$72.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ10mm
Focal length f −24.7mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconcave Lens 25.4mm Diameter −59.7mm Focal Length 633 - 1064nm
SLB-25.4B-60NIR1
25.4mm −59.7mm
in stock
$100.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25.4mm
Focal length f −59.7mm
Edge thickness te 4.6mm
Center thickness tc 2mm
Back focal length fb −60.4mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconcave Lens 10mm Diameter −49.7mm Focal Length 633 - 1064nm
SLB-10B-50NIR1
10mm −49.7mm
6-12 weeks
$68.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ10mm
Focal length f −49.7mm
Edge thickness te 2.5mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 25.4mm Diameter −99.7mm Focal Length 633 - 1064nm
SLB-25.4B-100NIR1
25.4mm −99.7mm
in stock
$88.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25.4mm
Focal length f −99.7mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −100.4mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconcave Lens 12.7mm Diameter −19.7mm Focal Length 633 - 1064nm
SLB-12.7B-20NIR1
12.7mm −19.7mm
in stock
$72.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ12.7mm
Focal length f −19.7mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconcave Lens 30mm Diameter −29.7mm Focal Length 633 - 1064nm
SLB-30B-30NIR1
30mm −29.7mm
6-12 weeks
$126.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ30mm
Focal length f −29.7mm
Edge thickness te 9.7mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconcave Lens 15mm Diameter −19.7mm Focal Length 633 - 1064nm
SLB-15B-20NIR1
15mm −19.7mm
6-12 weeks
$81.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ15mm
Focal length f −19.7mm
Edge thickness te 4.8mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconcave Lens 30mm Diameter −49.7mm Focal Length 633 - 1064nm
SLB-30B-50NIR1
30mm −49.7mm
6-12 weeks
$112.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ30mm
Focal length f −49.7mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 15mm Diameter −39.7mm Focal Length 633 - 1064nm
SLB-15B-40NIR1
15mm −39.7mm
6-12 weeks
$78.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ15mm
Focal length f −39.7mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconcave Lens 40mm Diameter −49.7mm Focal Length 633 - 1064nm
SLB-40B-50NIR1
40mm −49.7mm
6-12 weeks
$134.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ40mm
Focal length f −49.7mm
Edge thickness te 10mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 20mm Diameter −24.7mm Focal Length 633 - 1064nm
SLB-20B-25NIR1
20mm −24.7mm
2 weeks
$84.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ20mm
Focal length f −24.7mm
Edge thickness te 6mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconcave Lens 50mm Diameter −59.5mm Focal Length 633 - 1064nm
SLB-50B-60NIR1
50mm −59.5mm
6-12 weeks
$155.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50mm
Focal length f −59.5mm
Edge thickness te 13.5mm
Center thickness tc 3mm
Back focal length fb −60.5mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconcave Lens 20mm Diameter −49.7mm Focal Length 633 - 1064nm
SLB-20B-50NIR1
20mm −49.7mm
6-12 weeks
$83.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ20mm
Focal length f −49.7mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 50.8mm Diameter −49.5mm Focal Length 633 - 1064nm
SLB-50.8B-50NIR1
50.8mm −49.5mm
in stock
$162.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50.8mm
Focal length f −49.5mm
Edge thickness te 16.3mm
Center thickness tc 3mm
Back focal length fb −50.5mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconcave Lens 25mm Diameter −34.7mm Focal Length 633 - 1064nm
SLB-25B-35NIR1
25mm −34.7mm
6-12 weeks
$108.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −34.7mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −35.3mm
Radius of curvature r 36.33mm
Centration <1′
i
Biconcave Lens 50.8mm Diameter −149.5mm Focal Length 633 - 1064nm
SLB-50.8B-150NIR1
50.8mm −149.5mm
in stock
$141.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50.8mm
Focal length f −149.5mm
Edge thickness te 7.2mm
Center thickness tc 3mm
Back focal length fb −150.5mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconcave Lens 25mm Diameter −59.7mm Focal Length 633 - 1064nm
SLB-25B-60NIR1
25mm −59.7mm
6-12 weeks
$100.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −59.7mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −60.3mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconcave Lens 50.8mm Diameter −299.5mm Focal Length 633 - 1064nm
SLB-50.8B-300NIR1
50.8mm −299.5mm
in stock
$141.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ50.8mm
Focal length f −299.5mm
Edge thickness te 5.1mm
Center thickness tc 3mm
Back focal length fb −300.5mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconcave Lens 25mm Diameter −99.7mm Focal Length 633 - 1064nm
SLB-25B-100NIR1
25mm −99.7mm
2 weeks
$88.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ25mm
Focal length f −99.7mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −100.3mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconcave Lens 10mm Diameter −14.7mm Focal Length 633 - 1064nm
SLB-10B-15NIR1
10mm −14.7mm
6-12 weeks
$74.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating 633 - 1064nm
Diameter φD φ10mm
Focal length f −14.7mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −15.3mm
Radius of curvature r 15.57mm
Centration <1′
i
Biconcave Lens 25.4mm Diameter −39.7mm Focal Length 633 - 1064nm
SLB-25.4B-40NIR1
25.4mm −39.7mm
in stock
$106.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Broadband Multilayer antireflection coating (633 - 1064nm)
Laser Damage Threshold 4J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Clear aperture 85% of the diameter
Surface Quality (Scratch-Dig) 20-10