Product Name: Multi Order Waveplate Coating: Ar Coating Customized: Customized Certification: RoHS, ISO9001 Lenses Color: Clear Material: Quartz Crystal Shape: Plate Transmittance: >95% Type: Waveplate Usage: Optical, Laser Diameter Range: 3.0mm~100.0mm Thickness: 0.5-2.0mm Surface Quality: 40/20~20/10 Transmitted Wavefront Distortion: Lambda/8 Parallelism: <1 Arc Sec Retardation Tolerance: <Lambda/300 Origin: China HS Code: 9001909090 Product Description FAQ:1) What kind of waveplate you can provide? We can provide low order, multi order, zero order waveplate.2) What need to be knowned to order a wavepate? You need tell the following parameters: It is a half waveplate or quarter waveplate or other specical type? What is the wavelength for the waveplate you want? It is a low order, multi order, air-spaced order, cemented zero order, ture order waveplate? What is the size? It is need to be mounted or not?