论文信息 - Characteristics of organic dye lasers as tunable frequency sources for nanosecond absorption of spectroscopy

Characteristics of organic dye lasers as tunable frequency sources for nanosecond absorption of spectroscopy

The properties of 1, 1' diethyl-γ-cyano-2,2'-di-carbocyanine-tetrafluoroborate (DTCDCT)and 1, 1'-diethyl-γ-nitro- 4, 4'-di-carbocyanine-tetrafluoroborate (DTNDCT) lasers have been investigated. High-efficiency (25 percent) spectral narrowing of the normal 150-A-wide, 2-MW output of DTCDCT (around λ 7600 A) to 150 MW peak power) produces a train of 100 percent modulated mode-locked dye laser pulses whose risetimes ( 75 \times 10^{-3} cm-1of the λ 7699-A resonance line was detected for a ruby laser perturbing field of power density ∼ 30 MW/cm-2.

D. Bradley | A. Durrant | G. M. Gale | M. Moore | P. Smith

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