Page 24 20381-D02
Single- and Dual-Axis Scanning Galvo Systems for Large Beam Diameters
Appendix A Specifications and Associated Parts
A.1 Specifications
Note. All specifications measured more than 60 secs after power up.
Notes
a. The input and output beams are offset by 90°.
The way our mirrors are tested is continually updated, please consult
www.thorlabs.com for more information.
Parameter Value
Mirror
Maximum Beam Diameter 10 mm
Input/Output Beam Vertical Offset
a
14.7 mm (0.58”)
Finish GVS01x: Protected Silver Coated
GVS11x: Protected Gold Coated
GVS21x: Broadband, E02
GVS31x: Dual Band Hi Power, K13
GVS41x: UV-Enhanced Aluminum
Damage Threshold
GVS01x: 3 J/cm
2
at 1064 nm, 10 ns pulse
GVS11x: 2 J/cm
2
at 1064 nm, 10 ns pulse
GVS21x: 0.25 J/cm
2
at 532 nm, 10 ns pulse
GVS31x: 5 J/cm
2
at 1064 nm, 10 ns pulse
GVS41x: 0.3 J/cm
2
at 355 nm, 10 ns pulse
Wavelength Range GVS01x: 500 nm to 2 µm
GVS11x: 800 nm to 20 µm
GVS21x: 400 nm to 750 nm
GVS31x: 532 nm to 1064 nm
GVS41x: 250 nm to 450 nm
Parallelism < 3 arcmin
Surface Quality 40 to 20 Scratch/Dig
Front Surface Flatness (@633 nm)
Clear Aperture >90% of Dimension
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