Gentec-EO Discrete Pyroelectric Sensor QS9-IL
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Ships from:
Canada
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Sold by:
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On FindLight:
since 2014
Description
Our pyroelectric detectors are a class of room temperature thermal detectors that produce a current output that is directly proportional to the rate of change of temperature when exposed to a source of radiation. They are best described by an AC current source, capacitor and resistor. Their current output is governed by the equation I = p(T)·A·dT/dt, where I is current, p(T) is the pyro coefficient, A is the area as defined by the front electrode, and dT/dt is the rate of temperature change of the pyro crystal. The advantages of a pyroelectric detector over other IR detectors are: room temperature operation, broad spectral response, high sensitivity (D*) and fast response (sub-nsec into 50 Ω).
Our passive discrete pyroelectric detectors range from 1 to 9 mm in diameter and are provided in two configurations: high sensitivity or high average power. They present a pyroelectric detector element covered with our metallic coating (MT) and are packaged in a miniature TO-5 or TO-8 can. The diagram shown left identifies the pin-out for both types of detectors. Our organic black coating (BL), increases the optical absorption and helps flatten the spectral response. We also offer a number of permanent IR Windows that can be added to the TO can. These discrete pyro detectors are ideal for pulsed laser applications.
Gentec-EO Discrete Pyroelectric Sensor QS9-IL
Specifications |
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|---|---|
| Detector Type: | Pyroelectric |
| Spectral Range: | 0.1 – 1000 um |
| Size: | 9 mm |
| Maximum Power: | 0.05 W |
| Noise Equivalent Power: | Not Specified |
| Max Average Power Density: | Not Specified |
Applications
Thermal measurements
Laser optics
Metrology
Inspection
Biomedical
Military
Frequently Asked Questions
The advantages of a pyroelectric detector over other IR detectors are room temperature operation, broad spectral response, high sensitivity (D*) and fast response (sub-nsec into 50 Ω).
The measurement capabilities of the Gentec-EO Discrete Pyroelectric Sensor QS9-IL include a maximum average power of 50 mW, noise equivalent power of 6 nW, spectral range of 0.1 - 1000 μm, current responsivity of 0.25 μA/W, thermal frequency of 0.25 Hz, voltage responsivity of 13 kV/W, feedback resistor of 100 G Ω, and supply voltage of ±5 V.
The physical characteristics of the Gentec-EO Discrete Pyroelectric Sensor QS9-IL include an aperture diameter of 9 mm, absorber MT, dimensions of 15.2Ø x 6.4D mm, weight of 0.0015 kg, and a TO8 package.
A pyroelectric sensor is a thermal detector that produces a current output proportional to the rate of change of temperature when exposed to radiation.
The Gentec-EO Discrete Pyroelectric Sensor QS9-IL has a range of diameter from 1 to 9 mm.