High-Power Zoom Laser Beam Expander

BEZHP_VARIABLE

High-Power Zoom Laser Beam Expander
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BEZHP_VARIABLE

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It is high-power zoom Laser beam expander.
It supports a broader wavelength range than the current models.
It can be used in an optical system with high precision, such as a laser interferometer and processing by the lens design that takes into account the wavefront aberration.
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Attention ▶The laser energy density at small aperture(output aperture) will become higher than LIDT when reducing the beam diameter and the Beam expander might be broken.
▶It may not be able to obtain the expected function when the beam expander is used in the opposite direction (reducing the beam diameter). Please refer the technical note of he laser beam expander for details.

Guide ▶We provide the laser beam expander holders (KLH-BE) for optical axis adjustment of the laser beam expander.
WEB Reference Catalog Code/W4147

Name Delivery Price Add to cart
i
High-Power Zoom Laser Beam Expander
BEZHP-1/3-250/280
6-12 weeks
$1,561.00
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 1× - 3×
Design wavelength 250 - 266nm
Output aperture diameter φ25mm
Input aperture φ6mm (×1-×3), Maxφ14mm (×1)
AR coating wavelengths 250-280nm
Transmittance (AR coat calculated value) >98% (266nm), >94% (257.5nm), >94% (250-280nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 5mm.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 2.0J/cm2
Weight 0.21kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-1/3-1030/1100
6-12 weeks
$1,561.00
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 1× - 3×
Design wavelength 1030 - 1064nm
Output aperture diameter φ25mm
Input aperture φ6mm (×1-×3), Maxφ14mm (×1)
AR coating wavelengths 1030 - 1100nm
Transmittance (AR coat calculated value) >98% (1064nm), >96% (1030nm), >96% (1030-1100nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 5mm.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 7.0J/cm2
Weight 0.21kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-2/8-500/570
6-12 weeks
-
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 2× - 8×
Design wavelength 500 - 532nm
Output aperture diameter φ27mm
Input aperture φ3mm (×2-×8), Maxφ10mm (×2)
AR coating wavelengths 500 - 570nm
Transmittance (AR coat calculated value) >98% (532nm), >96% (515nm), >96% (500-570nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 4mm or 2mm for 7x magnification.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 5.0J/cm2
Weight 0.47kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-1/3-340/380
6-12 weeks
$1,561.00
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 1× - 3×
Design wavelength 340 - 355nm
Output aperture diameter φ25mm
Input aperture φ6mm (×1-×3), Maxφ14mm (×1)
AR coating wavelengths 340 - 380nm
Transmittance (AR coat calculated value) >98% (355nm), >94% (343.3nm), >94% (340-380nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 5mm.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 4.0J/cm2
Weight 0.21kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-2/8-250/280
6-12 weeks
-
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 2× - 8×
Design wavelength 250 - 266nm
Output aperture diameter φ27mm
Input aperture φ3mm (×2-×8), Maxφ10mm (×2)
AR coating wavelengths 250-280nm
Transmittance (AR coat calculated value) >98% (266nm), >94% (257.5nm), >94% (250-280nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 3mm or 2mm for 8x magnification.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 4.0J/cm2
Weight 0.47kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-2/8-1030/1100
6-12 weeks
-
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 2× - 8×
Design wavelength 1030 - 1064nm
Output aperture diameter φ27mm
Input aperture φ3mm (×2-×8), Maxφ10mm (×2)
AR coating wavelengths 1030 - 1100nm
Transmittance (AR coat calculated value) >98% (1064nm), >96% (1030nm), >96% (1030-1100nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 4mm or 3mm for 7x magnification.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 10.0J/cm2
Weight 0.47kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-1/3-500/570
6-12 weeks
$1,561.00
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 1× - 3×
Design wavelength 500 - 532nm
Output aperture diameter φ25mm
Input aperture φ6mm (×1-×3), Maxφ14mm (×1)
AR coating wavelengths 500 - 570nm
Transmittance (AR coat calculated value) >98% (532nm), >96% (515nm), >96% (500-570nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 5mm.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 5.0J/cm2
Weight 0.21kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.
i
High-Power Zoom Laser Beam Expander
BEZHP-2/8-340/380
6-12 weeks
-
Material Synthetic fused silica
Housing Material Aluminum
Housing Finish Black Anodized
Incident angle
Variable expansion ratio 2× - 8×
Design wavelength 340 - 355nm
Output aperture diameter φ27mm
Input aperture φ3mm (×2-×8), Maxφ10mm (×2)
AR coating wavelengths 340 - 380nm
Transmittance (AR coat calculated value) >98% (355nm), >94% (343.3nm), >94% (340-380nm)*2
>43% (600-700nm)
Transmitted wavefront distortion (P-V) < λ/7 (design value for input dia. of 3mm or 2mm for 8x magnification.)
Reference <λ/4 (input beam dia. 4mm, magnification 3x, 632.8nm)*3
Laser Damage Threshold <sup>*1</sup> 4.0J/cm2
Weight 0.47kg
Availability Please contact
*1 Laser pulse width ; 10ns , Repetition frequency ; 20Hz
*2 The transmittance of the beam expander differs depending on the wavelength and/or input beam diameter.

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◦The optical design of the beam expander is an air gap configuration that does not use an adhesive to bond the lenses. This allows the beam expander to be used with a high-power laser.
◦It is designed and coated to enable to use in a broader wavelength range than the current models.
◦By turning the diopter ring that is attached to the center of the beam expander, you can make variable beams such as the focused beam, collimated beam, and the divergent beam. It is used when you want to vary the position of the beam waist and if strict collimation adjustment is necessary.

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