Acousto-optical tunable filter for a swept light source with variable transmission function

被引：6

作者：

Machikhin, Alexander S. ^{[1
,2
]}

Khokhlov, Demid D. ^{[1
,2
]}

Pozhar, Vitold E. ^{[1
,2
,3
]}

Kozlov, Alexey B. ^{[1
,4
]}

Batshev, Vladislav, I ^{[1
,2
,3
]}

Gorevoy, Alexey, V ^{[1
,2
,3
]}

机构：

[1] Natl Res Univ, Moscow Power Engn Univ, Inst Automat & Comp Engn, Dept Elect Engn & Introscopy, 14 Krasnokazarmennaya St, Moscow 111250, Russia

[2] Russian Acad Sci, Lab Acoustoopt Spect, Sci & Technol Ctr Unique Instrumentat, 15 Butlerova St, Moscow 117342, Russia

[3] Bauman Moscow State Tech Univ, Dept Opt Elect Devices, 5,2 Ya Baumanskaya St, Moscow 105005, Russia

[4] POLYUS Res Inst MF Stelmakh JSC, High Power Lasers Lab, Bldg 1,3 Vvedenskogo St, Moscow 117342, Russia

来源：

OPTICAL DESIGN AND TESTING VIII | 2018年 / 10815卷

基金：

俄罗斯科学基金会;

关键词：

Swept light source; spectral filtration; AOTF; variable transmission function;

D O I：

10.1117/12.2502756

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spectrally tunable illumination is widely used for colorimetry, spectroscopy, spectral-domain optical coherence tomography and other applications. Most of the swept light sources suffer either from a limited number of spectral channels or from spatial noise and speckles. In this paper, we discuss an approach based on acousto-optic filtration of wide-band illumination. We show experimentally that acousto-optical tunable filter (AOTF) provides a unique collection of features: arbitrary spectral tuning, multi-bandpass mode and acoustic frequency modulation. Results of multiple experiments show that the proposed technique may become the basis of the swept light sources with arbitrarily specified number, positions and width of the spectral channels.

引用

页数：6

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