Two-tone frequency modulation saturation spectroscopy for tunable frequency offset locking of a single laser

2018 ◽  
Vol 427 ◽  
pp. 132-138 ◽  
Author(s):  
Qi Fu ◽  
Xiaojie Li ◽  
Zhixin Meng ◽  
Yanying Feng
Keyword(s):  
Frequency Modulation ◽  
Frequency Offset ◽  
Tone Frequency ◽  
Saturation Spectroscopy ◽  
Single Laser ◽  
Tunable Frequency

scholarly journals Frequency-modulation saturation spectroscopy of molecular iodine hyperfine structure near 640 nm with a diode laser source

2010 ◽  
Author(s):  
V. M. Khodakovskiy ◽  
V. I. Romanenko ◽  
I. V. Matsnev ◽  
R. A. Malitskiy ◽  
A. M. Negriyko ◽  
...  
Keyword(s):  
Hyperfine Structure ◽  
Diode Laser ◽  
Frequency Modulation ◽  
Molecular Iodine ◽  
Laser Source ◽  
Saturation Spectroscopy

scholarly journals Recent Developments in Modulation Spectroscopy for Methane Detection Based on Tunable Diode Laser

2019 ◽  
Vol 9 (14) ◽  
pp. 2816 ◽  
Author(s):  
Fei Wang ◽  
Shuhai Jia ◽  
Yonglin Wang ◽  
Zhenhua Tang
Keyword(s):  
Semiconductor Lasers ◽  
Frequency Modulation ◽  
Near Infrared ◽  
Infrared Region ◽  
Tunable Diode Laser ◽  
Tone Frequency ◽  
Modulation Spectroscopy ◽  
Methane Absorption ◽  
Recent Developments ◽  
Methane Detection

In this review, methane absorption characteristics mainly in the near-infrared region and typical types of currently available semiconductor lasers are described. Wavelength modulation spectroscopy (WMS), frequency modulation spectroscopy (FMS), and two-tone frequency modulation spectroscopy (TTFMS), as major techniques in modulation spectroscopy, are presented in combination with the application of methane detection.

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