DUV Waveplate λ/2 257nm 12.7mm Dia

Product Details 257nm and 266nm Deep UV Wavelengths Available Ideal For Vacuum Compatible Applications Non-Anodized Mount and Adhesive-Free Construction DUV Vacuum-Compatible Waveplates are mounted in an unanodized aluminum housing and feature adhesive-free construction for low outgassing in vacuum environments. These waveplates are optimized for >99.8 transmission at 257 or 266nm designed wavelengths, with λ/2 or λ/4 retardance options for each. Featuring a superior retardation tolerance and zero-order construction, these waveplates have increased bandwidth and lower sensitivity to temperature change. DUV Vacuum-Compatible Waveplates have the fast axis marked on the edge of the mount for easy identification and system integration. These waveplates are ideal for life-science and lithography applications which require a vacuum environment. Specifications General Type: Crystalline Waveplate Configuration: Air spaced; no mounting glue; no glue contacted spacer between crystals Physical & Mechanical Properties Clear Aperture CA (mm): >7 Diameter (mm): 12.70 +0.00/-0.25 Thickness (mm): 6.00 Construction: Crystalline Parallelism (arcsec): <3 Optical Properties Coating: Laser V-Coat (257nm) Design Wavelength DWL (nm): 257 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Crystal Quartz Retardance: λ/2 Surface Quality: 10-5 Transmitted Wavefront, P-V: λ/10 @632.8nm Retardance Tolerance: ±λ/100 @20°C Temperature Coefficient (λ/°C): 0.0001 Coating Specification: R<0.2% @ 257nm Retardance Order: 0 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 247: Compliant ×