Detection of variable-intensity optical emission using an avalanche photodiode in photon-counting mode

2021 ◽  
Vol 88 (11) ◽  
pp. 620
Author(s):  
I. R. Gulakov ◽  
A. O. Zenevich ◽  
O. V. Kochergina ◽  
E. V. Novikov ◽  
S. A. Goibov
Keyword(s):  
Photon Counting ◽  
Optical Emission ◽  
Avalanche Photodiode ◽  
Variable Intensity ◽  
Counting Mode ◽  
Photon Counting Mode

scholarly journals Experiments with Silicon Array Detectors in the RGO Coude Spectrograph

1982 ◽  
Vol 67 ◽  
pp. 271-278
Author(s):  
C.F.W. Harmer ◽  
Dianne L. Harmer
Keyword(s):  
Photon Counting ◽  
Royal Greenwich Observatory ◽  
Array Detectors ◽  
Counting Mode ◽  
Photon Counting Mode

Two detector systems, recently developed at the Royal Greenwich Observatory, have undergone tests on the coude spectrograph of the 30-inch telescope at Herstmonceux. The first is an intensified Reticon system, used in a photon counting mode; the second is a directly illuminated, cooled CID.

First Results of an L3CCD in Photon Counting Mode

2004 ◽  
pp. 611-614 ◽  
Author(s):  
Jean-Luc Gach ◽  
Christian Guillaume ◽  
Olivier Boissin ◽  
Cyril Cavadore
Keyword(s):  
Photon Counting ◽  
First Results ◽  
Counting Mode ◽  
Photon Counting Mode

scholarly journals The precision calcium photometer: A New Instrument for Astroseismology

1988 ◽  
Vol 123 ◽  
pp. 521-524
Author(s):  
P. Nisenson ◽  
A. K. Dupree ◽  
R. W. Noyes
Keyword(s):  
Optical Fiber ◽  
Optical System ◽  
Photon Counting ◽  
Image Stabilization ◽  
New Instrument ◽  
Counting Mode ◽  
Photon Counting Mode ◽  
System Characteristics ◽  
Stellar Image

The Precision CAlcium Photometer (PCAP) has been built with characteristics optimized for amplitude astroseismology. The instrument consists of two units: an on-telescope optical system that forms and stabilizes a stellar image onto a 200 micron optical fiber; and a spectrometer unit that accepts the light from the fiber and integrates the Calcium II H and K lines (3968.5 Å and 3933.7 Å), along with adjacent continuum regions, in a photon-counting mode. Some key system characteristics include active image stabilization, a 12-meter optical fiber with ~70% transmission at 3950 Å, and a thermally and mechanically stable spectrometer. A description of the instrument and of laboratory and on-telescope test runs are discussed below.

Measurement of the relative spectral sensitivity of photomultipliers operated in photon counting mode

1981 ◽  
Vol 35 (2) ◽  
pp. 935-938
Author(s):  
A. I. Shchurenko ◽  
B. V. Stetsenko ◽  
V. S. Lysenko ◽  
I. P. Fesenko
Keyword(s):  
Spectral Sensitivity ◽  
Photon Counting ◽  
Counting Mode ◽  
Photon Counting Mode

scholarly journals Зондирование молекул метанола в атмосфере по спектрам комбинационного рассеяния света

2021 ◽  
Vol 129 (8) ◽  
pp. 1048
Author(s):  
В.Е. Привалов ◽  
В.Г. Шеманин
Keyword(s):  
Remote Sensing ◽  
Numerical Solution ◽  
Concentration Level ◽  
Photon Counting ◽  
Laser Wavelength ◽  
Raman Lidar ◽  
Back Scattering ◽  
Counting Mode ◽  
Lidar Equation ◽  
Photon Counting Mode

The Raman back scattering lidar equation for the methanol molecules numerical solution results at the methanol molecules remote sensing in the atmosphere with concentrations in the range 1012 cm-3... 1018 cm-3 at the range distances up to 1000 meters in the synchronous photon counting mode are presented. It is shown that during the measurement time of 1 s with such a Raman lidar at the 405 nm laser wavelength, it is possible to probe the methanol molecules with a concentration level of about 1016 cm-3 at distances up to 600 m.

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