532nm 2X – 8X Gemma Variable Beam Expander

Product Details 1X – 8X Continuous Magnification Non-Rotating Lenses Minimize Beam Wander Compact Galilean Designs with Fixed Housing Length TECHSPEC Draconis Broadband Beam Expanders Also Available TECHSPEC Gemma Variable Beam Expanders are ideal for high power laser applications where magnification changes may be required, such as prototyping or R&D. TECHSPEC Gemma Variable Beam Expanders feature λ/10 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 mechanisms to continuously adjust magnification and laser divergence without affecting overall housing length and maintain pointing stability. TECHSPEC Gemma Variable Beam Expander allow for continuous magnification change over the full magnification range. TECHSPEC Gemma 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. Specifications General Type: Beam Expander Style: Continuous Variable Magnification Physical & Mechanical Properties Length (mm): 152.90 (without end caps) Weight (g): 454 Housing Diameter (mm): 48 Pointing Accuracy (mrad): <1 Optical Properties Entrance Aperture (mm): 14.5 Exit Aperture (mm): 30 Expansion Power: 2X - 8X Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) Transmission (%): >97.5 @ DWL Coating: Laser V-Coat (532nm) Design Wavelength DWL (nm): 532 Transmitted Wavefront, P-V: <λ/10 for Input Beam 3mm (2X-6X) <λ/10 for Input Beam 2.5mm (2X-7X) <λ/5 for Input Beam 2mm (2X-8X) Coating Specification: R abs <0.25% @ 532nm Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. 10 J/cm 2 @ 532nm, 20ns, 20Hz Divergence Adjustment: Non-Rotating Optics Threading & Mounting Mounting Threads: Input: Male M30 x 1.0 Output: Female M42 x 0.5 Regulatory Compliance Certificate of Conformance: View ×