Foctek Photonics, Inc.

octek mainly offers following Filter products :

Colored Glass Filter Applications

Interference Filter

Neutral Density Filter

Dielectric Coating Filter Read more...

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Knight Optical (UK) Ltd

Looking to improve your professional laser and Intense Pulsed Light (IPL) technology machine for treating vascular and pigmented lesions?

Then here we are! Knight Optical offers impeccable optical quality and comprehensive customer support regardless of where you are in the world; we are committed to providing the medical industry the highest level of service. Your optics n... Read more...

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Daheng New Epoch Technology, Inc.

Optical Short-pass Filters are coated on a substrate of fused silica, which allows the transmission of any wavelength shorter than the cut-off wavelength and block any wavelength longer than the cut-off. Read more...

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Daheng New Epoch Technology, Inc.

The metallic coatings on one side of the filter provide a nearly constant amount of transmitted energy over a wide visible and near infrared waveband.CDHC’s neutral density filters are spectrally neutral from about 400nm to 1200nm. Read more...

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Daheng New Epoch Technology, Inc.

Optical interference filters use the interference effect to obtain spectral transmission are manufactured by depositing thin layers with different refractive indices onto a substrate.
Daheng offers standard and customized optical interference filters. Read more...

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Daheng New Epoch Technology, Inc.

Circularly variable neutral density filters are designed to simplify attenuation and beamsplitting from VIS to near IR. The optical density gradually varies around a 270circle for convenient attenuation adjustment by simply rotating the filter. Attenuation is achieved by a thin Ni-Cr-Fe film, allowing these attenuators to withstand moderate laser energy as well as to act as variable beam... Read more...

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Knight Optical (UK) Ltd

Knight Optical can offer bandpass filters for use in Spectroscopy.

We supply a range of bandpass filters for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications.

Knight Optical supply... Read more...

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Knight Optical (UK) Ltd

Knight Optical can offer IR-cut filters for use in Heat Shielding.

We supply a range of Custom and Stocck IR-cut filters for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications.

Knigh... Read more...

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Knight Optical (UK) Ltd

CMOS sensors are used within commercial grade Digital SLR cameras as a replacement for the more expensive CCD. These CMOS sensors are extremely sensitive to IR light, which can lead to discolouration. IR cut filters are used to block the IR light, meaning that photographs are taken with life-like colours. Colour Glass Filters can be used in variations of Bandpass, Long pass and Short pas... Read more...

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