FOTODETEKTOR

Hinds Instruments' photodetector modules are specifically designed for use with high frequency optical signals including those generated in Photoelastic Modulator (PEM) applications.
We offer three Photodetector Modules:
Silicon Photodiode Detectors
Germanium Photodiode Detectors
Avalanche Photodiode Detectors
All Hinds PhotoDetectors include these features:
APD Detector Module include these additional features:
PEM-based optical systems require detectors with a frequency response of at least twice the operating frequency of the PEM. This makes Hinds detection systems ideal for your PEM applications.
For many applications, separate lowpass or DC signals and wide-band AC signals derived from the detector output are required. With the help of the Signal Conditioning Unit, this is possible.
Hinds Instruments offers an avalanche diode photodetector module that is optimized for use with the PEM and low light levels. It is less expensive, safer, more rugged and easier to use than a photomultiplier tube (PMT).
The gain is adjustable and the bandwidth is DC to 450 kHz, making it useful for circular dichroism experiments and other polarization measurements that involve small, fast (PEM frequency) signals.
Hinds designed the module using an avalanche photodiode that is sensitive to a minimum 5 microWatt (at maximum gain) signal and is usable from 200 – 1000 nm. While it is not sensitive enough for photon counting, it is well suited for most other applications that previously required a PMT. Unlike a PMT, it does not require the expense or large footprint of a high voltage power supply.
Hinds’ detection systems are specifically designed for use with high frequency optical signals including those generated in Photoelastic Modulator (PEM) applications.
Hinds’ detection features include:
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