High-power TEM<sub>00</sub> tunable laser system

Rita Mahon; T. J. McIlrath; David W. Koopman

doi:10.1364/AO.18.000891

Applied Optics
Vol. 18,
Issue 6,
pp. 891-896
(1979)
•https://doi.org/10.1364/AO.18.000891

High-power TEM₀₀ tunable laser system

Rita Mahon, T. J. McIlrath, and David W. Koopman

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Rita Mahon, T. J. McIlrath, and David W. Koopman, "High-power TEM₀₀ tunable laser system," Appl. Opt. 18, 891-896 (1979)

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Abstract

A 45-MW, 25-nsec duration, tunable laser operates in the near-ir and can be frequently-doubled to produce a 20-nsec duration uv output of 7.5 MW. The additional feature of a near single spatial mode makes this laser a tunable source of exceptional brightness. The beam diameter and divergence are substantially influenced by the spatial gain profile of the oscillator dye medium, by the ability to pump uniformly the dye amplifiers and, for the uv light, by the stringent angular sensitivity of the frequency-doubling crystal.

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Dye	Solvent	Molarity	λ_Lase (Å)	Δλ (Å)	Efficiency %	Duration (nsec)
DTDC	DMSO	8 × 10⁻⁶	6950	90	6	50
Oxazine 1 perchlorate	Methylene chloride	4 × 10⁻⁵	6855	75	20	100
		6 × 10⁻⁴	6900	90
			7250	130	6	100
Oxazine perchloratea	Dichloro benzene	1 × 10⁻⁴	6810	165
Oxazine perchlorate	DMSO	1 × 10⁻⁴	6950	200	10
HIDC	DMSO	3.3 × 10⁻⁴	7250	90	3	75
DOTC	DMSO	1 × 10⁻⁴	7450	300	7
DOTC^b	Methanol	3 × 10⁻⁵	7320	250	<6

z (cm)	Experimental w(z) (cm)	Implied w_o (cm)
25	0.058 × 0.002	0.010^a
62	0.064 ± 0.002	0.24^a
115	0.099 ± 0.001	0.028^c
150	0.099 ± 0.002	0.038^a
320	0.278 ± 0.005	0.027^a
386	0.265 ± 0.005	0.034^a
420	0.274	0.036^a
486	0.301 ± 0.005	0.038^d
535	0.332	0.038^a
565	0.314	0.042^a
565	0.224 ± 0.006	0.038^a,^b
585	0.43 ± 0.01	0.032^a
800	0.25 ± 0.01	0.039^a,^b
900	0.54 ± 0.01	0.039^d

Dye	Solvent	Molarity	λ_Lase (Å)	Δλ (Å)	Efficiency %	Duration (nsec)
DTDC	DMSO	8 × 10⁻⁶	6950	90	6	50
Oxazine 1 perchlorate	Methylene chloride	4 × 10⁻⁵	6855	75	20	100
		6 × 10⁻⁴	6900	90
			7250	130	6	100
Oxazine perchloratea	Dichloro benzene	1 × 10⁻⁴	6810	165
Oxazine perchlorate	DMSO	1 × 10⁻⁴	6950	200	10
HIDC	DMSO	3.3 × 10⁻⁴	7250	90	3	75
DOTC	DMSO	1 × 10⁻⁴	7450	300	7
DOTC^b	Methanol	3 × 10⁻⁵	7320	250	<6

z (cm)	Experimental w(z) (cm)	Implied w_o (cm)
25	0.058 × 0.002	0.010^a
62	0.064 ± 0.002	0.24^a
115	0.099 ± 0.001	0.028^c
150	0.099 ± 0.002	0.038^a
320	0.278 ± 0.005	0.027^a
386	0.265 ± 0.005	0.034^a
420	0.274	0.036^a
486	0.301 ± 0.005	0.038^d
535	0.332	0.038^a
565	0.314	0.042^a
565	0.224 ± 0.006	0.038^a,^b
585	0.43 ± 0.01	0.032^a
800	0.25 ± 0.01	0.039^a,^b
900	0.54 ± 0.01	0.039^d

Abstract

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Equations (1)

Applied Optics