𝔖 Bobbio Scriptorium
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Automatic gain control of a photomultiplier and relative electronic linear chain

✍ Scribed by C. Bacci; V. Bidoli; R. Baldini-Celio


Book ID
103293899
Publisher
Elsevier Science
Year
1967
Weight
252 KB
Volume
57
Category
Article
ISSN
0029-554X

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✍ Jongtaek Park; Donghyun Seo; Bonjeong Koo; Youngil Park πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 290 KB

A visual index measurement scheme that can be applied to a tunnel environment is proposed. To check the ventilation condition, a relative visibility is measured using a laser diode (LD) with wavelength of 880 nm. The LD is modulated with a 10 kHz sinusoidal signal to be used for a homodyne detection