OptoSigma manufactures a variety of optical windows, or parralels with anti-reflective optical coatings that can be utilized for a large variety of applications. There are surface flatness up to λ/10 P-V with <5 Arc Second Paralellism and with a large variety and choice of optical coatings. If you cannot find a standard product that meets your needs, ask us to manufacture a custom solution to meet all of your requirements.
AR Coated Windows for High Power LaserSKU : WSQNAHP 0
Light path correctorsSKU : WSQNA - WBNA 0