Edmund Optics variable beam expander 87559

Description

Like new condition, never used with laser.
Design Wavelength DWL (nm):
266
Expansion Power:
1X - 3X
Coating:
Laser V-Coat (266nm, 355nm)
Style:
Variable Magnification
Wavelength Range (nm):
260 - 365
Entrance Aperture (mm):
10
Exit Aperture (mm):
30
Transmitted Wavefront, P-V:
<λ/4 @ 266nm for Input Beam ≤5mm
Mounting Threads:
Input: Male C-Thread (1" x 32 TPI)
Output: Male T-Thread (M42 x 0.75)
Substrate:
Fused Silica
Housing Diameter (mm):
58.2
Length (mm):
172.3
Angle of Incidence (°):
0 ±0.06
Transmission (%):
>95 @ DWL
Coating Specification:
R
abs
<0.25% @ 265 - 267nm
R
abs
<0.25% @ 354 - 356nm
R
avg
<0.5% @ 260 - 365nm
Damage Threshold, Pulsed:
2 J/cm
2
@ 10ns, 20 Hz, 266nm
Type:
Beam Expander
Divergence Adjustment:
Non-Rotating Optics
Weight (g):
577