Meniscus Lens for CO² Laser

SLZS2

Meniscus Lens for CO² Laser
In stock
SKU
SLZS2
Zinc selenide (ZnSe) meniscus Lens (ZnSe) is used as a condensing lens with CO2 laser (10.6μm). The meniscus designed shape is optimized to minimize spherical aberration.
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Name Diameter φD Focal length Delivery Price Add to cart
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ZnSe Meniscus Lens 20mm Diameter 63.5mm Focal Length
SLZS2-20-63.5PCO2A
20mm 63.5mm
6-12 weeks
$788.00
Material ZnSe
Design Wavelength 10.6μm
Refractive Index 2.403
Centration <3′
Coating Antireflection coating (Wavelength 10.6μm)
(Diameter of φ25.4mm is wavelength of 650nm and 10.6μm)
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20−10
Diameter φD φ20mm
Focal length f 63.5mm
Edge thickness te 2mm
Center thickness tc 2.58mm
Back focal length fb 61.7mm
WD -
i
ZnSe Meniscus Lens 20mm Diameter 38.1mm Focal Length
SLZS2-20-38.1PCO2
20mm 38.1mm
6-12 weeks
$788.00
Diameter φD φ20mm
Focal length f 38.1mm
Edge thickness te 2mm
Center thickness tc 2.94mm
Back focal length fb 36.1mm
WD 35.5mm
i
ZnSe Meniscus Lens 25.4mm Diameter 38.1mm Focal Length
SLZS2-25.4-38.1PCO2A
25.4mm 38.1mm
6-12 weeks
$788.00
Material ZnSe
Design Wavelength 10.6μm
Refractive Index 2.403
Centration <3′
Coating Antireflection coating (Wavelength 10.6μm)
(Diameter of φ25.4mm is wavelength of 650nm and 10.6μm)
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20−10
Diameter φD φ25.4mm
Focal length f 38.1mm
Edge thickness te 3mm
Center thickness tc 4.52mm
Back focal length fb 38.6mm
WD -
i
ZnSe Meniscus Lens 20mm Diameter 50.8mm Focal Length
SLZS2-20-50.8PCO2A
20mm 50.8mm
6-12 weeks
$788.00
Material ZnSe
Design Wavelength 10.6μm
Refractive Index 2.403
Centration <3′
Coating Antireflection coating (Wavelength 10.6μm)
(Diameter of φ25.4mm is wavelength of 650nm and 10.6μm)
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20−10
Diameter φD φ20mm
Focal length f 50.8mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 48.9mm
WD -
i
ZnSe Meniscus Lens 25.4mm Diameter 63.5mm Focal Length
SLZS2-25.4-63.5PCO2A
25.4mm 63.5mm
6-12 weeks
$788.00
Material ZnSe
Design Wavelength 10.6μm
Refractive Index 2.403
Centration <3′
Coating Antireflection coating (Wavelength 10.6μm)
(Diameter of φ25.4mm is wavelength of 650nm and 10.6μm)
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20−10
Diameter φD φ25.4mm
Focal length f 63.5mm
Edge thickness te 3mm
Center thickness tc 3.91mm
Back focal length fb 60.9mm
WD -

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◦With anti-reflection coating the loss due to surface reflection can be reduced, and the laser light with high efficiency can be condensed.
◦ZnSe crystal has little hygroscopic, it can be handled in the same way as a normal optical element.
◦Since ZnSe crystal is a isotropic crystal, it does not have birefringence (polarization characteristics).

Important: Treatment of ZnSe optics
ZnSe (Zinc selenide) is Poisonous and harmful substance classified as legal, depending on the specifications, the certificate of delivery may be required for acquisition of Poisonous and harmful substances. In addition, ZnSe Optics disposal after use is prohibited in general.
Lenses that are no longer needed, please return it to us.

However, we only take back products that we supplied. This policy noted is in Japan and other countries may differ in the treatment of ZnSe (Zinc selenide), please contact your local sales office.

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