Infrared and Laser Engineering, Volume. 49, Issue 10, 20200019(2020)
Study on frequency-drifting characteristics of photo-elastic modulator and stability of Fourier transform spectra
Figures & Tables(9)
Fig. 1. Chart of the double closed loop adaptive driving control system
Fig. 4. Experimental figures of the auto tracking frequency method and fixed frequency method
Table 1. [in Chinese]
View tableView in ArticleTable 1. [in Chinese]
Interval/min Double closed-loop driving controll Tuned frequency driv controlling Number of peak of laser interferogram Maximum optical path difference/μm Number of peak of laser interferogram Maximum optical path difference/μm 0 372 235.4 374 236.67 5 373 236.03 373 236.03 10 365 239.97 364 230.33 15 380 240.46 367 232.23 20 371 234.76 343 217.05 25 362 229.07 349 220.85 30 382 241.73 353 223.37 35 369 233.50 340 215.15 40 378 239.20 333 210.72 45 363 229.71 330 208.82 50 381 241.10 339 214.52 55 367 232.24 327 206.92 60 377 238.57 332 210.09 65 368 232.87 333 210.72 70 374 236.67 336 212.62 75 366 231.60 330 208.82
Table 2. [in Chinese]
View tableView in ArticleTable 2. [in Chinese]
Wavenumber of the incident light Rebuilt spectrum without correction Rebuilt spectrum with correction 2 020 1 825 2 019 3 000 2 725 3 003 5 000 4 600 5 029 8 000 7 525 8 045 12 376 12 400 12 380 15 000 15 930 14 620
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Minjuan Zhang, Wenjing Liu, Zhibin Wang, Meifang Xu, Rui Zhang, Chunyang Li. Study on frequency-drifting characteristics of photo-elastic modulator and stability of Fourier transform spectra[J]. Infrared and Laser Engineering, 2020, 49(10): 20200019
Paper Information
Category: Optical communication and sensing
Received: Jan. 20, 2020
Accepted: --
Published Online: Jul. 6, 2021
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