tunable filter
21Acousto-optic modulator — An acousto optic modulator (AOM), also called a Bragg cell, uses the acousto optic effect to diffract and shift the frequency of light using sound waves (usually at radio frequency). They are used in lasers for Q switching, telecommunications for …
22NGC 1482 — Галактика История исследования Открыватель Уильям Гершель Дата открытия …
23Multispectral image — A multispectral image is one that captures image data at specific frequencies across the electromagnetic spectrum. The wavelengths may be separated by filters or by the use of instruments that are sensitive to particular wavelengths, including… …
24Near-infrared spectroscopy — Near IR absorption spectrum of dichloromethane showing complicated overlapping overtones of mid IR absorption features. Near infrared spectroscopy (NIRS) is a spectroscopic method that uses the near infrared region of the electromagnetic spectrum …
25AOTF — Acoustic Optic Tunable Filter (Governmental » Military) …
26AOTF — Acousto Optical Tunable Filter Contributor: CASI …
27акустооптический перестраиваемый фильтр — Перестраиваемый оптический фильтр, действие которого основано на использовании акустооптического взаимодействия в оптических анизотропных средах. [ГОСТ 15093 90] Тематики лазерное оборудование EN acoustooptical tunable filter …
28электрооптический перестраиваемый фильтр — Перестраиваемый оптический фильтр, действие которого основано на использовании электрооптического взаимодействия в оптических анизотропных средах. [ГОСТ 15093 90] Тематики лазерное оборудование EN electrooptical tunable filter …
29Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …
30spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
