词汇 | photodiode |
释义 | BETA Examples of photodiodephotodiode isn’t in the Cambridge Dictionary yet. You can help! By using a fast photodiode, the temporal structure well before the main pulse was also measured. A signal proportional to the applied pressure signal was provided by an electro-optical position-sensing photodiode system attached to the driving piston. A similar spectrum is seen on a broadband visible photodiode detector located on the outer plasma midplane. Each of the 1024 photodiode array elements had a sensitive detector aperture of 25 pm x 26 pm. The rotation of the light chopping wheel was initiated by the same photodiode. The digital oscilloscope was triggered by a visible plasma light signal from another photodiode which was placed 16 cm from the target. We have measured the transmitted and backscattered laser light with the fast photodiode and calorimeters, and analyzed the energy balance. The background light level was set at 20 cd 0m 2 based on measurements made with a calibrated photodiode at the plane of the retina. The energy of the ablation pulse is monitored using the photodiode. The simultaneity of the six beams was monitored by a photodiode equipped with a digital oscilloscope. A single silicon avalanche photodiode detector was followed by a transimpedance amplifier. A photodiode, receiving a small fraction of the pump laser light, has been used to monitor the laser pulse energy. Light calibrations were made at the plane of the retina with a photodiode photometer. This result is consistent with that expected for a simple light detector, like a linear photodiode without temporal filtering. The photodiode was mounted in the detection head with a special electronic circuit allowing changing the sensitivity of the detector head. Its temporal duration is greater than that of the laser pulse (signal no 2), as recorded by a fast photodiode. The end mirror leakage of this amplifier is monitored with a fast photodiode, which provides a trigger timing signal for the streak camera and other diagnostics, which are discussed later. The exposure time was determined with an accuracy of f 0.1 ms by employing a photodiode near the chopping wheel, a pulsed circuit, and an electronic timer. |
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