Dyes in modified polymers:, problems of photostability and conversion efficiency at high intensities

K. M. Dyumaev; A. A. Manenkov; A. P. Maslyukov; G. A. Matyushin; V. S. Nechitailo; A. M. Prokhorov

doi:10.1364/JOSAB.9.000143

Journal of the Optical Society of America B
Vol. 9,
Issue 1,
pp. 143-151
(1992)
•https://doi.org/10.1364/JOSAB.9.000143

Dyes in modified polymers:, problems of photostability and conversion efficiency at high intensities

K. M. Dyumaev, A. A. Manenkov, A. P. Maslyukov, G. A. Matyushin, V. S. Nechitailo, and A. M. Prokhorov

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K. M. Dyumaev, A. A. Manenkov, A. P. Maslyukov, G. A. Matyushin, V. S. Nechitailo, and A. M. Prokhorov, "Dyes in modified polymers:, problems of photostability and conversion efficiency at high intensities," J. Opt. Soc. Am. B 9, 143-151 (1992)

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Abstract

We present the results of the investigation of modified polymethyl methacrylate doped with xanthene-series dyes, phthalocyanine, and chelates in the regimes of laser generation and saturated absorption. The mechanisms responsible for the lasing and the bleaching efficiencies and for the dyes’ photodestruction are discussed. Experimental results are presented that confirm the appropriateness of the mechanisms and methods suggested for increasing the conversion efficiency and photostability. The results obtained lead us to formulate the basic principles for choosing the composition and the methods for synthesis of dye-doped polymer materials for high-intensity laser optics.

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Equations (8)

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	Composition of Monomer Mixture(vol. %)		λ_m (nm)		Δν(cm⁻¹)		Luminescence Quantum Yield		Lasing Efficieny

Sample	MMA	EA	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$
1	100	—	539	534	1440	1160	0.53	0.71	0.14^a	0.45
2	99	1	539	534	1280	1120	0.59	0.75	0.15^b	0.47
3	97	3	538	533	1240	1080	0.67	0.79	0.23	0.48
4	95	5	536	533	1200	1080	0.71	0.80	0.40	0.48
5	90	10	534	533	1160	1080	0.73	0.81	0.46	0.50
6	—	100	533	533	1080	1080	0.81	0.80	0.50	0.49

Sample	Modifying Additive	Filter Pore Size (μm)	Photodestruction Coefficient K(λ, J) × 10⁶ cm²/J
1	Ether	1.6	50
2	Polyether	1.6	40
3	Carbonate ether	1.6	25
4	Glycol ether	1.6	10

Sample	Modifying Additive	Filter Pore Size (μm)	Damage Threshold Ratio J₁/J_⊥⁰	Photodestruction Coefficient K(λ, J) × 10⁶ cm²/J
1	Ether	1.6	0.8	50
2	Ether	0.8	1.5	7
3	Glycol ether	1.6	0.6	10
4	Glycol ether	0.8	1.3	<1

Sample	Filter Pore Size (μm)	J₁/J₁⁰	J_min/J₁⁰	J/J₁⁰	Photodestruction Coefficient K(λ, J) × 10⁶ cm²/J
1	0.8	1.3	0.3	0.1	<1
2	0.8	1.3	0.3	0.2	3
3	0.8	1.3	0.3	0.4	55
4	0.22	2.8	0.9	0.4	<1

	Composition of Monomer Mixture(vol. %)		λ_m (nm)		Δν(cm⁻¹)		Luminescence Quantum Yield		Lasing Efficieny

Sample	MMA	EA	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$	R⁺Cl⁻	$R^{+} {ClO}_{4}^{-}$
1	100	—	539	534	1440	1160	0.53	0.71	0.14^a	0.45
2	99	1	539	534	1280	1120	0.59	0.75	0.15^b	0.47
3	97	3	538	533	1240	1080	0.67	0.79	0.23	0.48
4	95	5	536	533	1200	1080	0.71	0.80	0.40	0.48
5	90	10	534	533	1160	1080	0.73	0.81	0.46	0.50
6	—	100	533	533	1080	1080	0.81	0.80	0.50	0.49

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Equations (8)

Journal of the Optical Society of America B