Relative Measurements from 0.1 to 30 THz
Broadband, room temperature operation, easier to use and less expensive than a Golay cell
Wide Dynamic Range from nW to mW
With state of the art pyroelectric sensors, measure down to 50 nW with 1 nW resolution.
Several Sensor Sizes Available
Choice of 5 mm and 9 mm diameter
Calibrated at 0.63 µm
THZ-B detectors are calibrated at a single wavelength (0.63 µm) and include typical wavelength correction data from 0.25 to 440 µm. They are used for relative measurements outside that range.
SDC-500 Optical Chopper
All THZ-B detectors require the use of an optical chopper, like our SDC-500, to sync the signal at either 5 Hz (DA models) or 25 Hz (DZ models).
호환 디스플레이 장치 및 PC 인터페이스
Analog (BNC) power module, to interface THZ-B heads with oscilloscopes and lock-in amplifiers.
최대 평균 파워43 μW
스펙트럼 범위110 - 3000 μm
주파수0.1 - 30 THz
일반 상승 시간0.2 sec
일반 파워 감도70 kV/W
초핑 주파수25 Hz
최소 반복률1000 Hz
- 1. 예측 스펙트럼 범위. 10~440μm에서의 분광계 측정. 440에서 3,000μm에서는 상대 측정만 가능합니다. 이 스펙트럼 범위는 변경될 수 있습니다.
- 2. SDC-500 디지털 광학식 초퍼는 별도로 판매됩니다.
최대 평균 파워 밀도10 MW/cm²
구경 지름5 mm
치수66.0Ø x 46.5D mm
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THZ-B-DA DETECTOR AND OSCILLOSCOPE
Here is a basic analog set up that would be useful if the optical power of the source was about 5 µW or greater. The output of the THZ5B-BL-DA detector would be approximately 600 mV @ 5 Hz chopping frequency, giving plenty of signal for an oscilloscope. Simply read the voltage output and divide by the Rv factor (V/W) of the detector to measure the intensity of the source in Watts. Also consider applying a wavelength correction factor under certain circumstances.
THZ-B-DA DETECTOR AND LOCK-IN AMPLIFIER
This is another analog set-up option that we recommend if you have to measure very low power levels (i.e. less than 5 ?W) where the signal may be buried in the broadband noise. The voltage output of the analog THZ-B-DA detector, powered by our T-RAD-ANALOG, is routed to the Lock-In Amplifier input, and the Sync Output of our SDC-500 Chopper is connected to the reference input. The Lock-In Amplifier will lock on the chopping frequency and you can dial in a long integrating time and measure a very low RMS voltage. The voltage divided by our Voltage Responsivity (V/W) equals the power of the source.
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