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Silicon Photodiode

Silicon Photodiode

T355/0276

Rights Managed

38.5 MB (1.5 MB compressed)

4500 x 2987 pixels

38.1 x 25.4 cm ⏐ 15.0 x 10.0 in (300dpi)

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Credit

GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY

Caption

A photodiode is a semiconductor diode whose junction is exposed to light. When a photon is absorbed in the junction region, electron-hole pair is created and photocurrent is produced. The value of photocurrent is proportional to the number of photons absorbed. Thus measuring photocurrent produced in a photodiode can be used to determine light intensity. Shown here is a silicon photodiode mounted on a printed circuit board. The assembly is part of the amplified silicon detector manufactured by Thorlabs (model PDA55). Aug 2007.

Release details

Model release not required. Property release not required.

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