Bandpass-Filter

Bandpass filters are used to transmit predefined spectral ranges. Wavelengths to the left and right of the transmission band, which can be designed quite narrowly if required, are blocked and unwanted extraneous radiation is reduced. A wide transmission band, on the other hand, can be created by combining a short pass filter and a long pass filter.

Reflection*

* concept curve

Additional Products

High-Reflective-Mirror-Coating

Highly reflective mirrors (HR) are characterized by a reflectivity of radiation that converges towards 100%.

Anti-Reflex-Coating

The reduction of reflections on surfaces avoids disturbing light for the observer and also achieves a higher transmission as well as an improvement of the contrast.

Front-Surface-Mirror-Coating

The term "front surface mirror" is applicable to any mirror whose first boundary surface is a mirrored surface.

Short-Pass-Filter

Short pass filters are optical edge filters, which transmit all wavelengths of the spectral range before the edge and reflect them after the edge, i.e. short-wave radiation is separated from long-wave radiation.

Long-Pass-Filter

Longpass filters are optical edge filters, which reflect all wavelengths of the spectral range before the edge and transmit them after the edge, i.e. short-wave radiation is separated from long-wave radiation.

Bandpass-Filter

Bandpass filters are used to transmit predefined spectral ranges.

Band-Reject-Filter

Band-reject filters, also called notch filters, are used to reflect predefined spectral ranges.

Color-Correction-Filter

Depending on the light source used, a filter is needed to correct the color coordinates of the light source.

IR-Transmitter

Infrared transmission filters, or infrared transmitters, are designed to let the radiation in the infrared range pass.

Cold-Mirror-Coating

Cold light mirrors are designed to let infrared radiation pass through, so that the accompanying heat radiation and heat load can escape and overheating of the technical applications is avoided.

Hot-Mirror-Coating

The use of heat protection filters in technical components guarantees a reduction of heat stress through high reflection in the infrared spectral range.

UV-Transmitter

UV-transmitters are applied to let ultraviolet radiation pass through while the VIS and IR radiation can be adapted according the requirement.

UV-Blocker

UV-Blocking coatings are effective in suppressing/blocking short-wave UV radiation.

Dichroic Beam-Splitter

Dichroic Beam-Splitters can be used in case of requirement for optical components, which function should be color separation or color merging.

Neutral-Beam-Splitter

Color-neutral beam splitters are used in optical systems in which beam paths are to be split, combined or deflected.

Indium-Tin-Oxide

The focus of indium tin oxide (ITO) coatings is to create an electrically conductive surface with high transparency in the visible spectral range.

Color-Conversion-Filter blue

The use of color effect filters allows a selective adjustment of the transmission behavior in the visible spectral range, so that any color effect can be achieved.

Color-Conversion-Filter red

The use of color effect filters allows a selective adjustment of the transmission behavior in the visible spectral range, so that any color effect can be achieved.

Color-Conversion-Filter green

The use of color effect filters allows a selective adjustment of the transmission behavior in the visible spectral range, so that any color effect can be achieved.

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