Thorlabs WPQ05ME-405 Ø1/2" Mounted Polymer Zero-Order Quarter-Wave Plate 405 nm

$200.00

Clean and in excellent condition. Hassle free warranty.

Clear Aperture	Ø9.8 mm (Ø0.38")
Optic Diameter	12.7 mm ± 0.2 mm (0.5" ± 0.008")
Optic Thickness	2.0 mm
Housing Diameter	17.8 mm (0.70")
Housing Thickness	10.4 mm (0.41")
Housing Threads	Internal and External SM05 (0.535"-40)
Design Wavelength	405 nm
Transmission at Design Wavelength	≥95%
Broadband AR Coating Range^a	350 nm - 700 nm
Average Reflectance (Per Coated Surface)	<0.5%
Retardance Accuracy	<λ/100
Retardance Uniformity (RMS)^b	<5 nm
Material	Liquid Crystal Polymer Between N-BK7 Glass Plates
Transmitted Wavefront Error	<λ/4 @ 633 nm
Surface Quality	60-40 Scratch-Dig
Temperature Stability	<0.08 nm/degree over Operating Temperature Range
Operating Temperature Range	-20 to 60 °C
Beam Deviation	<20 arcmin

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