Influence on the generating losses on the spectral efficiency of ethanol solutions of dyes of various classes

Authors

  • Vikentiy V. Tarkovsky Yanka Kupala State University of Grodno, 22 Ažeška Street, Hrodna 230023, Belarus

Keywords:

laser dyes, spectral lasing efficiency, microsecond coherent pumping, triplet-triplet absorption, singlet-singlet absorption, non-linear radiation scattering, non-stationary self-diffraction of radiation, thermooptical distortions of the cavity

Abstract

The generation efficiency of a number of ethanol dye solutions is studied as a function of the coherent microsecond pump wavelength. It is shown that the maximum lasing efficiency is achieved by pumping not to the maximum of the main band of the absorption spectrum of dyes. In the spectral ranges determined for each dye, a decrease in the generation efficiency is observed. The reasons for this phenomenon – triplet-triplet and singlet-singlet absorption – are analised. The main role in the case under consideration is played by the absorption of pump radiation in the system of excited singlet levels with the formation of long- and short-lived photoproducts that absorb in the amplification region but do not participate in generation. A study of the luminescence kinetics of the DCM dye showed that another reason for the appearance of induced losses is the non-linear scattering of radiation in a dye solution, which occurs because of non-stationary self-diffraction of pump radiation on phase noise gratings formed as a result of heat release when light is absorbed in the channel of excited singlet levels in a bleaching dye solution. Experiments on probing induced losses, as well as picosecond spectroscopy, confirmed the appearance of thermooptical distortions of the active medium in certain spectral intervals of microsecond coherent pumping.

Author Biography

  • Vikentiy V. Tarkovsky, Yanka Kupala State University of Grodno, 22 Ažeška Street, Hrodna 230023, Belarus

    PhD (physics and mathematics); associate professor at the department of theoretical physics and heat engineering, physico-technical faculty

References

  1. Artemiev NM, Batishche SA, Bortkevich AV, Eremenko AS, Malinin BG, Mostovnikov VA, et al. [Highly efficient microsecond dye solution laser converter]. Zhurnal prikladnoi spektroskopii. 1987;47(5):719–723. Russian.
  2. Batishche SA, Mostovnikov VA, Tarkovsky VV. [Wide-range microsecond dye laser with two-stage excitation]. Kvantovaya elektronika. 1995;22(7):651–652. Russian.
  3. Batishche SA, Mostovnikov VA, Tarkovsky VV. [Investigation of amplifying circuits of microsecond dye lasers with two-stage excitation]. Pribory i tekhnika eksperimenta. 1995;4:130–137. Russian.
  4. Batishche SA, Ganzha VA, Mostovnikov VA, Malevich NA, Perlov DI, Shifrin VP. [Investigation of the operation of a laser system based on dye solutions pumped by nanosecond high-power radiation pulses]. Zhurnal prikladnoi spektroskopii. 1983;39(6):934–938. Russian.
  5. Tarkovsky VV, Kurstak VYu, Anufrik SS. [Dependence of the generation efficiency on the excitation frequency during pumping of a solution of rhodamine 6G by microsecond laser pulses]. Zhurnal prikladnoi spektroskopii. 2002;69(6):747–750. Russian.
  6. Tarkovsky VV, Kurstak VYu, Anufrik SS. [Anomalous dependence of the generation characteristics of dye solutions on the spectral composition of the exciting radiation during microsecond coherent pumping]. Kvantovaya elektronika. 2003;33(10):869–875. Russian.
  7. Dzyubenko MI, Naumenko IG, Pelipenko VP, Soldatenko SE. [Visible dye laser with high efficiency]. Pis’ma v ZhETF. 1973;18(1):43–46. Russian.
  8. Rubinov AN, Tomin VI. [Optical quantum generators and their applications]. In: Mirimanov RG, editor. Radiotekhnika [Radiotechnics]. Moscow: Russian Institute for Scientific and Technical Information; 1976. p. 5–127 (Itogi nauki i tekhniki; volume 9). Russian.
  9. Batishche SA, Ganzha VA, Mostovnikov VA, Perlov DI, Shifrin VP. [Spectral characteristics of absorption in the channel of excited singlet levels for ethanol solutions of coumarin, rhodamine and oxazine dyes]. In: Lazery na osnove slozhnykh organicheskikh soedinenii i ikh primenenie. Tezisy Tret’ei Vsesoyuznoi konferentsii; 10–12 sentyabrya 1980 g.; Uzhgorod, Rossiya [Lasers based on complex organic compounds and their applications. Abstracts of the 3rd All-Union conference; 1980 September 10–12; Uzhgorod, Russia]. Minsk: Institute of Physics of the Academy of Sciences of the BSSR; 1980. p. 233–235. Russian.
  10. Batishche SA, Gurlenya VI, Malevich NA, Mostovnikov VA, Myshalov PI, Tatur GA. [Peculiarities of creating high-power wide-range laser systems based on dye solutions]. Zhurnal prikladnoi spektroskopii. 1986;44(2):214–219. Russian.
  11. Batishche SA, Malevich NA, Mostovnikov VA. [On the mechanism of non-linear scattering of nanosecond radiation in dye solutions]. In: Rubanov AS, editor. Obrashchenie volnovogo fronta lazernogo izlucheniya v nelineinykh sredakh. Materialy II Vsesoyuznoi konferentsii; 27–29 oktyabrya 1989 g.; Minsk (Raubichi), Belarus’ [Reversal of the wave front of laser radiation in non-linear media. Materials of the 2nd All-Union conference; 1989 October 27–29; Minsk (Raubichi), Belarus]. Minsk: Institute of Physics of the Academy of Sciences of the BSSR; 1990. p. 339–344. Russian.
  12. Malevich NA. Shirokodiapazonnye impul’sno-periodicheskie lazernye sistemy na osnove lazera na AIG : Nd3+ s obrashcheniem volnovogo fronta [Wide-range repetitively pulsed laser systems based on a YAG : Nd3+ laser with wavefront conjugation] [dissertation]. Minsk: [s. n.]; 1993. 245 p. Russian.
  13. Muller A, Schulz-Henning J, Tashiro H. Excited state absorption of 1,3,3,1′,3′,3′-hexamethylindotricarbocyanine iodide: a quantitative study by ultrafast absorption spectroscopy. Applied Physics. 1977;12(4):333–339. DOI: 10.1007/BF00886035.
  14. Tarkovsky VV, Anufrik SS, Kurstak VYu. [Influence of induced losses on the spectral efficiency of rhodamine 6G generation under microsecond coherent pumping]. Quantum Electronics. 2021;51(6):525–532. Russian.
  15. Anufrik SS, Dzyubenko MI, Nikolaev SV, Pozhar VV, Sazonko GG, Tarkovsky VV. [Influence of the excitation wavelength on the generation characteristics of coherently pumped dye lasers]. Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series. 2013;2:111–117. Russian.
  16. Vejjabhinanta V, Singh A, Charoensawad R, Nouri K. Laser and light therapies for acne. In: Nouri K, editor. Lasers in dermatology and medicine. London: Springer; 2012. p. 187–192. DOI: 10.1007/978-0-85729-281-0.
  17. Platonova DV, Zamyatina VA, Dymov AM, Kovalenko AA, Vinarov AZ, Minaev VP. [Laser lithotripsy]. Urologiya. 2015;6:116–121. Russian.

Downloads

Additional Files

Published

2022-06-06

Issue

No. 2 (2022): Journal of the Belarusian State University. Physics

Section

Laser Physics

License

The authors who are published in this journal agree to the following:

  1. The authors retain copyright on the work and provide the journal with the right of first publication of the work on condition of license Creative Commons Attribution-NonCommercial. 4.0 International (CC BY-NC 4.0).
  2. The authors retain the right to enter into certain contractual agreements relating to the non-exclusive distribution of the published version of the work (e.g. post it on the institutional repository, publication in the book), with the reference to its original publication in this journal.
  3. The authors have the right to post their work on the Internet (e.g. on the institutional store or personal website) prior to and during the review process, conducted by the journal, as this may lead to a productive discussion and a large number of references to this work. (See The Effect of Open Access.)

How to Cite

(1)
Tarkovsky, V. V. . Influence on the Generating Losses on the Spectral Efficiency of Ethanol Solutions of Dyes of Various Classes. Журнал Белорусского государственного университета. Физика 2022, No. 2, 26-38. https://doi.org/10.33581/2520-2243-2022-2-26-38.
Crossref
Scopus
Google Scholar
Europe PMC