Suppression of amplified spontaneous emission from a four-pass dye laser amplifier

1998 ◽  
Vol 37 (21) ◽  
pp. 4867 ◽  
Author(s):  
Jae Won Hahn ◽  
Yong Shim Yoo
Keyword(s):  
Spontaneous Emission ◽  
Amplified Spontaneous Emission ◽  
Dye Laser ◽  
Laser Amplifier

scholarly journals The output of a laser amplifier with simultaneous amplified spontaneous emission and an injected seed

2009 ◽  
Vol 27 (3) ◽  
pp. 393-398 ◽  
Author(s):  
H. Huang ◽  
G.J. Tallents
Keyword(s):  
Spontaneous Emission ◽  
Extreme Ultraviolet ◽  
Amplified Spontaneous Emission ◽  
Gain Saturation ◽  
Free Electron Lasers ◽  
Laser Amplifier ◽  
One Dimensional ◽  
X Ray ◽  
Laser Amplifiers ◽  
Harmonic Radiation

AbstractThe minimum irradiance needed to overcome amplified spontaneous emission (ASE) of a seed beam injected into a laser amplifier is evaluated. The treatment is particularly applicable to extreme ultraviolet (EUV) and X-ray laser schemes to inject laser harmonic radiation as a seed into (1) plasma laser amplifiers and (2) free-electron lasers. Simple expressions and calculations are given for the minimum injected irradiance required for amplification of the injected seed beam to exceed ASE from the amplifier, including the effects of gain saturation, assuming one dimensional radiative transfer.

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