Coating:

Laser V-Coat (532nm)

Design Wavelength DWL (nm):

532

Entrance Aperture (mm):

14.5

Exit Aperture (mm):

30

Expansion Power:

2X - 8X

Fused Silica (Corning 7980)

Length (mm):

152.90 (without end caps)

Mounting Threads:

Input: Male M30 x 1.0
Output: Female M42 x 0.5

Transmission (%):

>97.5 @ DWL

Type:

Beam Expander

Weight (g):

432

Housing Diameter (mm):

48

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

Style:

Continuous Variable Magnification

10 J/cm² @ 532nm, 20ns, 20Hz

Divergence Adjustment:

Non-Rotating Optics

Pointing Accuracy (mrad):

<1

Damage Threshold, Pulsed:

10 J/cm² @ 532nm, 20ns, 20Hz

532nm 2X - 8X Gemma® Variable Beam Expander

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