Resonant Stimulated Raman Scattering from the 23S–11S Forbidden Transition in a Helium Atom

2021 ◽  
Author(s):  
E. V. Baklanov ◽  
P. V. Pokasov ◽  
A. V. Taichenachev
Keyword(s):  
Raman Scattering ◽  
Helium Atom ◽  
Stimulated Raman Scattering ◽  
Forbidden Transition ◽  
Stimulated Raman

scholarly journals Резонансное вынужденное комбинационное рассеяние на запрещенном переходе 2-=SUP=-3-=/SUP=-S-1-=SUP=-1-=/SUP=-S атома гелия

2021 ◽  
Vol 129 (8) ◽  
pp. 975
Author(s):  
Е.В. Бакланов ◽  
П.В. Покасов ◽  
А.В. Тайченачев
Keyword(s):  
Raman Scattering ◽  
Density Matrix ◽  
Helium Atom ◽  
Metastable State ◽  
Ground State ◽  
Stimulated Raman Scattering ◽  
Kinetic Equations ◽  
Doppler Broadening ◽  
Resonance Shift ◽  
Forbidden Transition

Resonant stimulated Raman scattering (SRS) on the 23S-11S forbidden transition of the helium atom (62.6 nm) through the intermediate 23P1 level is considered. The 23S metastable state has the lowest energy in the triplet part of the spectrum (He *), and the 11S state is the ground state. For the density matrix, shortened kinetic equations are derived, which are used to analyze the SRS resonance. Expressions for field broadening and resonance shift are obtained, Doppler broadening is taken into account, and numerical estimates are made.

scholarly journals Возможность создания стандарта частоты 62.6 nm в гелии с использованием вынужденного комбинационного рассеяния

2020 ◽  
Vol 128 (11) ◽  
pp. 1592
Author(s):  
Е.В. Бакланов ◽  
А.В. Тайченачев
Keyword(s):  
Raman Scattering ◽  
Helium Atom ◽  
Metastable State ◽  
Ground State ◽  
Singlet State ◽  
Extreme Ultraviolet ◽  
Stimulated Raman Scattering ◽  
Frequency Standard ◽  
X Ray ◽  
Forbidden Transition

The possibility of creating a frequency standard based on the 23S-11S (62.6 nm) forbidden transition of a helium atom using stimulated Raman scattering is shown. The 11S singlet state is the ground state, while the 23S metastable state (He *) has the lowest energy in the triplet part of the spectrum. The standard can be used to measure frequencies in the region of extreme ultraviolet and possibly X-ray radiation.

Ultra-violet Stimulated Raman Scattering of SrWO4 Crystal

2009 ◽  
Vol 24 (3) ◽  
pp. 563-566 ◽  
Author(s):  
Zheng-Ping WANG ◽  
Da-Wei HU ◽  
Huai-Jin ZHANG ◽  
Xin-Guang XU ◽  
Ji-Yang WANG ◽  
...  
Keyword(s):  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Ultra Violet ◽  
Stimulated Raman

Bulk Laser Damage Threshold and Stimulated Raman Scattering in KTiOPO4 Crystal.

1996 ◽  
Vol 24 (8) ◽  
pp. 906-909
Author(s):  
Akio MIYAMOTO ◽  
Hidetsugu YOSHIDA ◽  
Yusuke MORI ◽  
Takatomo SASAKI ◽  
Sadao NAKAI
Keyword(s):  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Damage Threshold ◽  
Laser Damage Threshold ◽  
Laser Damage ◽  
Stimulated Raman
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