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Location: Main > Optical Waveplates > Low Order Waveplates > WP-05UM-LH-461/689
Name: DIA12.7mm 461nm/689nm Low-order 1/2-Waveplate
P/N: WP-05UM-LH-461/689
Keywords:461nm/689nm,Dia12.7mm,low-order,1/2-wave,
Unit Price: S$340.00/pc
Available: In stock
Request: Add to Request List
Introduction:
Low-order;Half-wave
P < 3 arc seconds; Retardation tolerance < Lambda/300
AR coating at 461nm +/-10nm (R<0.5%) & 689nm +/-10nm (R<0.5%)
Substrate Material: Crystal Quartz
Outer Diameter: 12.7,+0.0/-0.1mm unmounted
Configuration:

Low-order (22.5 @ 461nm & 14.5 @ 689nm) with single plate design, Half-wave (1/2) @ 461nm/689nm

Crystal Thickness: 1.11mm 
Clear Aperture: >90% of outer diameter
Parallelism: </=2 arc seconds max
Retardance Accuracy(typ): < Lambda/300 @ 461nm & 689nm - specially selected.
Wavefront Distortion: Lambda/10
Surface Quality: 20/10 scratch and dig
Damage Threshold: 2J/cm2 @ 10ns 1064nm
AR Coated: AR/AR coated (double surfaces)
R<0.5% max @ 461nm & 689nm, +/-10nm