Time‐resolved frequency modulation spectroscopy of photochemical transients

1994 ◽  
Vol 101 (2) ◽  
pp. 1717-1720 ◽  
Author(s):  
Jonathan C. Bloch ◽  
Robert W. Field ◽  
Gregory E. Hall ◽  
Trevor J. Sears
Keyword(s):  
Frequency Modulation ◽  
Time Resolved ◽  
Modulation Spectroscopy

scholarly journals Laser stabilization to neutral Yb in a discharge with polarization-enhanced frequency modulation spectroscopy

2020 ◽  
Vol 91 (12) ◽  
pp. 123002
Author(s):  
Valdis Blūms ◽  
Jordan Scarabel ◽  
Kenji Shimizu ◽  
Moji Ghadimi ◽  
Steven C. Connell ◽  
...  
Keyword(s):  
Frequency Modulation ◽  
Laser Stabilization ◽  
Modulation Spectroscopy

Quantitative FM Spectroscopy at High Temperatures: The Detection of 1CH2 behind Shock Waves

2000 ◽  
Vol 214 (12) ◽  
Author(s):  
G. Friedrichs ◽  
H.Gg. Wagner
Keyword(s):  
High Temperature ◽  
Shock Waves ◽  
High Temperatures ◽  
Frequency Modulation ◽  
Modulation Frequency ◽  
Optical Power ◽  
Time Resolved ◽  
Signal Conversion ◽  
High Modulation ◽  
Singlet Methylene

The technique of time resolved frequency modulation (FM) spectroscopy has been shown to provide a very sensitive means to detect small radicals behind shock waves. Features of high temperature FM spectroscopy behind shock waves will be discussed and a general signal conversion procedure to carry out quantitative concentration measurements will be presented.Using a high modulation frequency, a high modulation index and high total optical power, singlet methylene radicals (α

Spectral characterization of integrated acousto-optic tunable filters by means of laser frequency modulation spectroscopy

2006 ◽  
Vol 45 (36) ◽  
pp. 9176 ◽  
Author(s):  
Antonio Di Maio ◽  
Mario Salza ◽  
Gianluca Gagliardi ◽  
Pietro Ferraro ◽  
Paolo De Natale
Keyword(s):  
Frequency Modulation ◽  
Laser Frequency ◽  
Tunable Filters ◽  
Spectral Characterization ◽  
Modulation Spectroscopy ◽  
Laser Frequency Modulation
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