The 1611FC-AC InGaAs Fiber-Optic Receiver is used for experiments requiring up to 850 MHz bandwidths and 400 ps rise times. This FC/PC connectorized photoreceiver offers a well-balanced combination of gain, bandwidth, and very low noise. The InGaAs detector wavelength range is 900 to 1700 nm. For mounting there is an 8-32 mounting thread, and we also include a M4 metric thread adaptor and tool.
An external ±15 VDC power supply, which must be purchased separately, is required. Power supply cables 0923
The Silicon model (1601) provides wavelength coverage from 320-1000 nm, and the InGaAs model (1611) provides coverage from 900-1700 nm. This enables wide bandwidth, low-noise detection of signals distributed over fiber-optic cables or found in high resolution spectroscopy, fiber-optic sensors, optical metrology, and many other applications.
High Transimpedance Gain and Low Noise
Typical frequency response of the 1601-AC (blue) and the 1611-AC (black).
Because of their high transimpedance gain and low noise-equivalent power (NEP), they offer the best in sensitivity for signals with rise and fall times as short as 0.5 ns. This high sensitivity, combined with their high-level output, reduces the effects of downstream noise sources.
AC Coupled
These photoreceivers are AC-coupled with a low-frequency roll-off at 30 kHz. A convenient DC-photocurrent monitor output makes alignment easy. The monitor output has a 20-kHz bandwidth and a transimpedance gain of 10 V/mA.
RF Shielding
Careful RF shielding and filtering of power-supply inputs eliminate electromagnetic interference, even in laboratories with Q-switched lasers and other noisy equipment.
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1611FC-AC - Drawings & CAD
Additional CAD file downloads are not available for this product.
1611FC-AC - Drawings
Additional drawings are not available for this product.
1611FC-AC
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