Qioptiq Datasheets for Optical Filters

Filters are used to attenuate light across a certain portion of the spectrum.
Optical Filters: Learn more

Product Name Notes
Neutral-density Filters Attenuate polychromatic light without altering its spectral distribution Transmittance τ = ΦT / Φ0 Optical density D = log 1 / τ Metallic films vacuum-evaporated onto glass substrates...
Color Filters -- DC Absorption free interference systems Nearly no-loss, diversion or mixture of basic Colors blue, green and red For angles of incidence of 45° Heat-resistant up to approx. 300 °C Thickness of...
Color Filters -- DT Absorption free interference systems Reflectance / transmittance of selected parts of VIS with high efficiency Edge filters made to small tolerances for angles of incidence of 0° Extremly high color...
Heat-Protection Filters -- CALFLEX B1/K1 Consists of IR-absorption glass and dielectric coating High suppression of IR-(Heat-)radiation High transmission in the visible range Heat-resistant up to 250 °C Thickness: 1.8 mm T > 75 % for...
Neutral Wedges Fabricated from neutral-density filter glass Cemented onto compensating plate Transmittance range of 1 - 80 % Faces parallel to within 10 arcmin
Heat-absorbing Filters Fabricated from tempered glass Virtually colorless Unmounted and mounted versions available In mount fitting directly to Microbench m Tolerances: Ø 22.2 mm: +0/-0.3 mm, Ø 50 mm: +0/-0.6 mm Thickness:...
Cold Light Mirror -- KS 93 / 45° For incidence angles of 45° Transmittance of IR light and reflection of visible light High reflection in the visible range No absorption of dielectric coating Heat-resistant up to 300 °C...
NIR-Blocking Filters -- CALFLEX X For photo detectors, Si-Diodes Very high blocking in the NIR High transmission in the VIS Thickness 1.1 mm T ≤ 1 % for 780 - 1100 nm T = 50...
Heat-Protection Filters -- CALFLEX CTM Heat-light separation for high pressure discharge lamps High transmission in the visible range No absorption of dielectric coating Heat-resistant up to 400 °C Thickness: 1.1 mm T > 90 %...
Colored Glass Filters, Different Edge-positions Mounted and unmounted versions available Mounted types fit to LINOS Microbench m Tolerances: Ø 22.2 mm: ± 0.2 mm: Ø 50 mm: +0/-0.6 mm Thickness: ± 0.2 mm Bubbles: 1/...
Heat-Protection Filters -- CALFLEXTM 3000 SP No absorption from dielectric coating Broadband heat-protection for halogen lamps UV-Light suppression High transmission in the visible range Heat-resistant up to 400 °C Thickness: 1.1 mm T > 80 %...
UV-Blocking Filters -- UV-B Very high blocking in the UV High transmission in the VIS Heat-resistant up to 400 °C Thickness 1.1 mm T ≤ 1 % below 380 nm T = 50 %...
Blue Colored Glass Filters Volume filters fabricated from colored glass Mounted and unmounted versions available Mounted types fit to LINOS Microbench m Max. IR-transmittance of all filters at 2600 nm Reflection Coefficient P =...
Green Colored Glass Filters Volume filters fabricated from colored glass Mounted and unmounted versions available Mounted types fit to LINOS Microbench m Tolerances: Ø 22.2 mm: ± 0.2mm; Ø 50 mm: +0/-0.6 mm Thickness:...
UV Colored Glass Filters Volume filters fabricated from colored glass Mounted and unmounted versions available Mounted types fit to LINOS Microbench m Tolerances: Ø 22.2mm: ± 0.2 mm; Ø 50 mm: +0/-0.6 Thickness: ±