Knight Optical (UK) Ltd Datasheets for Optical Flats

Optical flats or test plates are polished surfaces that are used as references against the flatness of unknown surfaces for comparison. They use the property of interference to measure the flatness of a test surface.
Optical Flats: Learn more

Product Name Notes
Fused Quartz Optical Flat Double Sided Lambda/10 101mmdia x 17mmthk -- TYQ10212
Fused Quartz Optical Flat Double Sided Lambda/10 126mmdia x 20mmthk -- TYQ12712
Fused Quartz Optical Flat Double Sided Lambda/10 152mmdia x 25mmthk -- TYQ15212
Fused Quartz Optical Flat Double Sided Lambda/10 202mmdia x 30mmthk -- TYQ20212
Fused Quartz Optical Flat Double Sided Lambda/10 252mmdia x 35mmthk -- TYQ25212
Fused Quartz Optical Flat Double Sided Lambda/10 26mmdia x 10mmthk -- TYQ2712
Fused Quartz Optical Flat Double Sided Lambda/10 26mmdia x 6mmthk -- TYQ2612
Fused Quartz Optical Flat Double Sided Lambda/10 302mmdia x 40mmthk -- TYQ30212
Fused Quartz Optical Flat Double Sided Lambda/10 51mmdia x 10mmthk -- TYQ5212
Fused Quartz Optical Flat Double Sided Lambda/10 76mmdia x 15mmthk -- TYQ7712
Fused Quartz Optical Flat Double Sided Lambda/20 101mmdia x 17mmthk -- TYQ10222
Fused Quartz Optical Flat Double Sided Lambda/20 126mmdia x 20mmthk -- TYQ12722
Fused Quartz Optical Flat Double Sided Lambda/20 152mmdia x 25mmthk -- TYQ15222
Fused Quartz Optical Flat Double Sided Lambda/20 26mmdia x 10mmthk -- TYQ2722
Fused Quartz Optical Flat Double Sided Lambda/20 26mmdia x 6mmthk -- TYQ2622
Fused Quartz Optical Flat Double Sided Lambda/20 51mmdia x 10mmthk -- TYQ5222
Fused Quartz Optical Flat Double Sided Lambda/20 76mmdia x 15mmthk -- TYQ7722
Fused Quartz Optical Flat Single Sided Lambda/10 101mmdia x 17mmthk -- TYQ10210
Fused Quartz Optical Flat Single Sided Lambda/10 126mmdia x 20mmthk -- TYQ12710
Fused Quartz Optical Flat Single Sided Lambda/10 152mmdia x 25mmthk -- TYQ15210
Fused Quartz Optical Flat Single Sided Lambda/10 202mmdia x 30mmthk -- TYQ20210
Fused Quartz Optical Flat Single Sided Lambda/10 252mmdia x 35mmthk -- TYQ25210
Fused Quartz Optical Flat Single Sided Lambda/10 26mmdia x 10mmthk -- TYQ2710
Fused Quartz Optical Flat Single Sided Lambda/10 26mmdia x 6mmthk -- TYQ2610
Fused Quartz Optical Flat Single Sided Lambda/10 302mmdia x 40mmthk -- TYQ30210
Fused Quartz Optical Flat Single Sided Lambda/10 51mmdia x 10mmthk -- TYQ5210
Fused Quartz Optical Flat Single Sided Lambda/10 76mmdia x 15mmthk -- TYQ7710
Fused Quartz Optical Flat Single Sided Lambda/20 101mmdia x 17mmthk -- TYQ10220
Fused Quartz Optical Flat Single Sided Lambda/20 126mmdia x 20mmthk -- TYQ12720
Fused Quartz Optical Flat Single Sided Lambda/20 152mmdia x 25mmthk -- TYQ15220
Fused Quartz Optical Flat Single Sided Lambda/20 26mmdia x 10mmthk -- TYQ2720
Fused Quartz Optical Flat Single Sided Lambda/20 26mmdia x 6mmthk -- TYQ2620
Fused Quartz Optical Flat Single Sided Lambda/20 51mmdia x 10mmthk -- TYQ5220
Fused Quartz Optical Flat Single Sided Lambda/20 76mmdia x 15mmthk -- TYQ7720
Zerodur Optical Flat Single Sided Lambda/10 101mmdia x 17mmthk -- TYZ10210
Zerodur Optical Flat Single Sided Lambda/10 126mmdia x 20mmthk -- TYZ12710
Zerodur Optical Flat Single Sided Lambda/10 152mmdia x 25mmthk -- TYZ15210
Zerodur Optical Flat Single Sided Lambda/10 202mmdia x 30mmthk -- TYZ20210
Zerodur Optical Flat Single Sided Lambda/10 252mmdia x 35mmthk -- TYZ25210
Zerodur Optical Flat Single Sided Lambda/10 26mmdia x 10mmthk -- TYZ2710
Zerodur Optical Flat Single Sided Lambda/10 26mmdia x 6mmthk -- TYZ2610
Zerodur Optical Flat Single Sided Lambda/10 302mmdia x 40mmthk -- TYZ30210
Zerodur Optical Flat Single Sided Lambda/10 51mmdia x 10mmthk -- TYZ5210
Zerodur Optical Flat Single Sided Lambda/10 76mmdia x 15mmthk -- TYZ7710
Zerodur Optical Flat Single Sided Lambda/20 101mmdia x 17mmthk -- TYZ10220
Zerodur Optical Flat Single Sided Lambda/20 126mmdia x 20mmthk -- TYZ12720
Zerodur Optical Flat Single Sided Lambda/20 152mmdia x 25mmthk -- TYZ15220
Zerodur Optical Flat Single Sided Lambda/20 202mmdia x 30mmthk -- TYZ20220
Zerodur Optical Flat Single Sided Lambda/20 252mmdia x 35mmthk -- TYZ25220
Zerodur Optical Flat Single Sided Lambda/20 26mmdia x 10mmthk -- TYZ2720
Zerodur Optical Flat Single Sided Lambda/20 26mmdia x 6mmthk -- TYZ2620
Zerodur Optical Flat Single Sided Lambda/20 302mmdia x 40mmthk -- TYZ30220
Zerodur Optical Flat Single Sided Lambda/20 51mmdia x 10mmthk -- TYZ5220
Zerodur Optical Flat Single Sided Lambda/20 76mmdia x 15mmthk -- TYZ7720
Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is...