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355nm 2X - 8X Research-Grade Variable Beam Expander

355nm 2X - 8X Variable Beam Expander, #87-566

355nm 2X - 8X Variable Beam Expander, #87-566

Stock #87-566
€1.299,00
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Cant. 1-4
€1.299,00
Cant. 5
€1.039,00
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Design Wavelength DWL (nm):
355
Expansion Power:
2X - 8X
Coating:
Laser V-Coat (266nm, 355nm)
Style:
Variable Magnification
Wavelength Range (nm):
260 - 365
Entrance Aperture (mm):
15
Exit Aperture (mm):
30
Transmitted Wavefront, P-V:
<λ/4 for Input Beam ≤4mm (2X-6X)
<λ/4 for Input Beam ≤2mm (>6X)
Mounting Threads:
Input: Male C-Thread (1" x 32 TPI)
Output: Male T-Thread (M42 x 0.75)
Substrate:
Housing Diameter (mm):
51
Length (mm):
169.0
Angle of Incidence (°):
0 ±0.06
Transmission (%):
>95 @ DWL
Coating Specification:
Rabs <0.25% @ 265 - 267nm
Rabs <0.25% @ 354 - 356nm
Ravg <0.5% @ 260 - 365nm
Damage Threshold, Pulsed:
1 J/cm2 @ 10ns, 20Hz, 355nm
Type:
Beam Expander
Divergence Adjustment:
Non-Rotating Optics
Weight (g):
501

Regulatory Compliance

Product Family Description

TECHSPEC® Research-Grade Variable Beam Expanders (RVBX) are ideal for high power laser applications where magnification changes may be required, such as prototyping or R&D. TECHSPEC Research-Grade Variable Beam Expanders feature λ/4 transmitted wavefront, Galilean designs, and high laser damage threshold AR coatings to ensure maximum transmittance while minimizing ghost reflections. Additionally, these beam expanders use internal translation and focusing mechanisms to continuously adjust magnification and laser divergence without affecting overall housing length. This compact design removes the need to make system accommodations for changes in length and eases system integration.

TECHSPEC Research-Grade Variable Beam Expanders can be used to determine a system’s required beam magnification in the prototyping phase of development. TECHSPEC® Draconis® Broadband Beam Expanders are available for production or OEM implementation. Please contact our Sales Department for custom magnification requirements.

Laser Optics

Información Técnica

2X-8X Research-Grade Variable Beam Expanders - Specifications
Design Wavelength Stock No. Fixed Overall Length A (mm) Mounting Length E (mm) Rotating Numeric Ring Length F (mm) Rotating Alpha Ring Length G (mm)
355nm #87-566 169.7 35.9 90.7 19.4
532nm #87-567 169.3 31.5 70.4 43.7
Broadband VIS (633nm) #87-569 169.3 31.5 70.4 43.7
Broadband NIR (785nm) #87-570 169.3 31.5 70.4 43.7
1064nm #87-568 169.3 31.5 70.4 43.7

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