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UV Photodiode
Aug 2008
Kyosemi Corp.Request Info
KYOTO, Japan, Aug. 20, 2008 – Kyosemi Corp. has unveiled its KPDU37S1 UV photodiode that offers high responsivity for the detection of UV light at wavelengths from 360- to 380 nm.

The photodiode has a responsivity of up to 140 mA/W at its peak wavelength. It is not sensitive to visible lights, making accurate detection without the addition of a filter possible in the presence of visible light. 

Kyosemi-UV-Photodiode.jpgIt is assembled in a 3- x 2- x 1.3-mm surface mount package and is useful for 365 nm monitoring of mercury lamps and monitoring of LED output power from 360- to 380 nm.

Applications include monitoring of UV cure processes, protein fluorescence analysis, flame detector and bill validation.

A hermetically packaged counterpart and LEDs that emit peak wavelengths of 367- and 373 nm are also available.
For more information, visit:

Kyosemi Corp.
949-2 Ebisu-cho
Kyoto-shi, 612-8201
Phone: +81-75-605-7311
Fax: +81-75-605-7312


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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