Brand: ThorLabs | Category: Scientific & Laboratory Equipment
Actively quenched, temperature stabilised silicon avalanche photodiode modules that produce a TTL pulse for every detected photon. They pair with correlated photon pair sources for quantum optics teaching, and also suit photon correlation spectroscopy and LIDAR.
| Parameter | Value |
|---|---|
| Detector sizes | 20 micrometres, 100 micrometres or 500 micrometres diameter |
| Wavelength range | 350 to 1100 nm depending on model |
| Maximum dark count rates | 60 Hz to 1500 Hz |
| Typical photon detection efficiency | 70% at 670 nm on the SPDMH2 |
| Maximum count rate | up to 28 MHz |
| Dead time | 35 ns to 45 ns typical; TTL gating and trigger input |
Contact Vvon Technologies Limited about ThorLabs equipment requirements in Bangladesh.
Phone: +880 1711-738207 | Email: info@vvon.com.bd
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Photomultiplier modules with bialkali, multialkali or GaAsP photocathodes for detecting faint optical signals. Their large active areas suit divergent light, and SM1 or C-Mount threading lets filters and lens tubes attach directly.
Balanced receivers that subtract two optical inputs to cancel common mode noise, letting small signal changes be pulled out of the noise floor. They are used for spectroscopy, heterodyne detection, optical coherence tomography and terahertz work.
Detectors that report the position of an incident beam rather than just its power. The lateral effect PDP90A is insensitive to beam shape, while the segmented quadrant models suit automatic alignment and beam stabilisation loops.