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Numéro de référence | C30902EH | ||
Description | Silicon Avalanche Photodiodes | ||
Fabricant | PerkinElmer Optoelectronics | ||
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Silicon Avalanche Photodiodes
C30902 Series
High Speed APDs for Analytical and Biomedical Lowest Light Detection Applications
Overview
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
stability.
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”
mode
• Hermetically sealed package
• Low Noise at room
temperature
• High responsivity – internal
avalanche gains in excess of
150
• Spectral response range –
(10% points) 400 to 1000 nm
• Time response – typically 0.5
ns
• Wide operating temperature
range - -40°C to +70°C
• RoHS-compliant
Applications
• LIDAR
• Laser range finder
• Small-signal fluorescence
• Photon counting
www.optoelectronics.perkinelmer.com
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Pages | Pages 13 | ||
Télécharger | [ C30902EH ] |
No | Description détaillée | Fabricant |
C30902E | (C309xxx) Silicon Avalanche Photodiodes | PerkinElmer Optoelectronics |
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