C30921SH PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 C30921SH
部品説明 Silicon Avalanche Photodiodes
メーカ PerkinElmer Optoelectronics
ロゴ PerkinElmer Optoelectronics ロゴ 

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C30921SH Datasheet, C30921SH PDF,ピン配置, 機能
Silicon Avalanche Photodiodes
C30902 Series
High Speed APDs for Analytical and Biomedical Lowest Light Detection Applications
PerkinElmer’s C30902EH avalanche
photodiode is fabricated with a double-
diffused “reach-through” structure. This
structure provides high responsivity
between 400 and 1000 nm as well as
extremely fast rise and fall times at all
wavelengths. The responsivity of the
device is independent of modulation
frequency up to about 800 MHz. The
detector chip is hermetically-sealed
behind a flat glass window in a modified
TO-18 package. The useful diameter of
the photosensitive surface is 0.5 mm.
PerkinElmer’s C30921EH is packaged in
a lightpipe TO-18 which allows efficient
coupling of light to the detector from
either a focused spot or an optical fiber
up to 0.25 mm in diameter.
The hermetically-sealed TO-18 package
allows fibers to be epoxied to the end of
the lightpipe to minimize signal losses
without fear of endangering detector
The C30902SH and C30921SH are
selected C30902EH and C30921EH
photodiodes having extremely low noise
and bulk dark-current. They are intended
for ultra-low light level applications
(optical power less than 1 pW) and can
be used in either their normal linear mode
(VR<VBR) at gains up to 250 or greater, or
as photon counters in the “Geiger” mode
(VR > VBR) where a single photoelectron
may trigger an avalanche pulse of about
108 carriers. In this mode, no amplifiers
are necessary and single-photon
detection probabilities of up to
approximately 50% are possible.
Photon-counting is also advantageous
where gating and coincidence techniques
are employed for signal retrieval.
Features and Benefits
High quantum efficiency of
77% typical @ 830 nm
C30902SH and C30921SH
can be operated in “Geiger”
Hermetically sealed package
Low Noise at room
High responsivity – internal
avalanche gains in excess of
Spectral response range –
(10% points) 400 to 1000 nm
Time response – typically 0.5
Wide operating temperature
range - -40°C to +70°C
Laser range finder
Small-signal fluorescence
Photon counting

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