Wavelength tuning of the emission of a thin-film DFB laser by varying the index of refraction of the boundary medium

Abstract

ities of spontaneous radiation and sections of collisioa broadening of lines of 00~176 transition of C02 molecule," Kvant. Elektron., 3, 1748-1754 (1976). 9. R. L. Abrams and P. R. Cheo, "Collisional relaxation of C02 rotational levels by N2 and He," Appl. Phys. Lett., 15, 177-178 (1969). i0. N. S. Leshenyuk, V. V. Nevdakh, L. N. Orlov, et al., "Relaxation rate of energy of antisymmetric type vibrations of CO2 molecule as a function of temperature," Zh. Prikl. Spektrosk., 28, 978-983 (1978). ii. R. R. Jacobs, K. J. Pettipiece, and S. J. Thomas, ~'Rate constants for the C02 02~176 relaxation," Phys. Rev. A, ii, 54-59 (1975). 12. C. B. Moore, R. E. Wood, B.-L. Hu, et al., "Vibrational energy transfer in CO2 lasers," J. Chem. Phys., 46, 4222-4231 (1967). 13. A. A. Samarskii, Theory of Difference Schemes [in Russian], Nauka, Moscow (1977). 14. I. V. Novobrantsev and A. N. Starostin, "Decay instability of vibrational relaxation in molecular gases, ~' Zh. Prikl. Hekh. Tekh. Fiz., No. 2, 164-167 (1974). 15. K. J. Siemsen and B. G. Whitford, ~'Heterodyne frequency measurements of C02 laser sequence-band transitions," Opt. Commun., 22, 11-16 (1977). 16. J. Reid, J. Shewchun, and B. K. Garside, "Measurement of the transition strength of the 00~ 9.4 ~m sequence band fn CO2 usinga tunable diode laser,~'Appl. Phys., 17, 349-353 (1978). 17. T. Y. Chang and O. R. ~ood, ~'Opticaliy pumped 33-atm CO2 laser~" Appl. Phys. Lett., 23, 370-372 (1973).