Foctek Photonics, Inc. Datasheets for Optical Filters

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

Product Name Notes
Blue Filter Glass, Selective Absorption
Falling-Color Temperature Filter Glass, Selective Absorption
Golden (Yellow) Filter Glass, Cut-Off Type
Golden-yellow Filter Glass, Selective Absorption
Green Filter Glass, Selective Absorption
Heat Absorbing Filter Glass, Selective Absorption
Infrared Filter Glass, Cut-Off Type
Infrared Filter Glass, Selective Absorption
Multiband Calibration Filter Glass, Selective Absorption
Neutral Grey Colored Ultraviolet Glass
Orange Filter Glass, Cut-Off Type
Orange Filter Glass, Selective Absorption
Protective Filter Glass, Selective Absorption
Red Filter Glass, Cut-Off Type
Red Filter Glass, Selective Absorption
Rising Color Temperature Filter Glass, Selective Absorption
Sky-light Filter Glass, Selective Absorption
Ultraviolet Filter Glass, Cut-Off Type
Violet Filter Glass, Selective Absorption
Applications Photographing Apparatus Meter and Instrument Optical Device Medical Treatment Apparatus Teaching Apparatus UV Analyzer Financial Equipment Airport Lamps Military Equipment Technological Research Institute Public Security Department
Interference Filter Applications Biomedical Fluorescence Microscope Laser System Inspection Apparatus Selective Interference Hg Lamp Spectrum Analyzing Spectrum Imaging Optics Systems
Dielectric Coating Filter FOCtek offers dielectric coating filters made of optical materials such as Colored Glass, BK7, Fused Silica, Sapphire and so on. The dielectric coating filters include bandpass filters, dichroic filters, longpass...
Ultraviolet Filter Glass, Selective Absorption Foctek provides customers with high-precision optical components, precision optical spectroscopic components, polarization, laser crystal and nonlinear optical crystal components, precision optical lenses, high-definition security surveillance lenses, 5 megapixel machine vision...
Intense Pulsed Light Filter IPL filter is the key optical element for IPL (intense Pulsed Light) machine, which filters the UV wave and reserve the useful wave from 400nm to 1200nm for cosmetic laser,...
Neutral Density Filter Neutral density filters attenuate, split or combine beams in a range of irradiance ratios with little dependence on wavelength. FOCtek offers two kinds of neutral density filters, which are neutral...
Metallic Coating Filter Metallic Coating type Material: BK7 glass and Fused Silica Flatness: 2λ per 25 mm Surface Quality: 80/50 Parallelism: 3 min. Dimension Tolerance:+/-0.2mm Coating: Vacuum-deposited metallic alloy Optical density Tolerance: +/-5%...