APD Receivers
Voxtel Inc.Request Info
Voxtel Inc. has announced the release of a near-infrared avalanche
photodiode (APD) receiver with 1-GHz bandwidth and a large 200-μm-diameter
optical area. Suitable for laser rangefinder, laser designator, free-space optical
communications, optical instrumentation and ladar/lidar applications, it is the
latest entry in the company’s Siletz line of back-illuminated single-carrier
multiplication avalanche photodiode (SCM-APD) products. The receiver integrates
the low-excess-noise SCM-APD with a low-noise transimpedance amplifier. The NIR/SWIR
(short-wavelength infrared) APDs have an equivalent ionization coefficient (keff)
of <0.02 and enable the receiver to operate at high avalanche gain, boosting
the optical signal over the amplifier noise level without the degrading effects
of avalanche-induced excess noise. The ultralow excess noise and high gain make
the photoreceivers highly sensitive, offering a maximum responsivity of >50 A/W
at 1550 nm, with operating gain up to 50.
/Buyers_Guide/Voxtel_Inc/c15891
Published: June 2010
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