Semiconductor Laser Filter, applied to blue and green semiconductor laser, to cut off the 808nm and 1064nm laser, while to pass the blue and green laser. Substrate---------D263T/B270/BK7 or customized Thickness---------0.3~1.1mm Surface Quality---40/20, 60/40 Square Size------(3~15)×(3~15)mm Round Size-------φ3~20mm (The final detailed specifications are customized or suggested by Lenoptec.) All Optical filters-Coatings include: Acrylic Filters Dichroic Filters Beam Splitters Reflective Coatings Interference Filter Waterproof and dustproof coatings AR coatings UV-IR Blockers IR Cut-off Filters Cartons