Spectral characteristics of a binary dye-mixture laser.
We have investigated laser action in a binary mixture of dyes, Rh-6G and DCM, resulting in tunable laser emission over an extended frequency region. The two dyes absorb the same pump radiation but fluoresce over frequency ranges that are shifted with respect to each other, thereby resulting in extended tunability. Following a time-dependent analysis of a rate-equation model that describe the operation of such a laser, theoretical estimates for optimum dye concentrations and the corresponding extension of the laser tuning range have been obtained.
Sinha
Sucharita
S
Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Tombay, Mumbai-400085, India. ssinha@magnum.barc.ernet.in
Ray
Alok K
AK
Kundu
Soumitra
S
Sasikumar
Pal
Tamal B
TB
Nair
Sivagiriyal K S
SK
Dasgupta
Kamalesh
K