Home Page of Bisht PB

Ultrafast Lasers and Optical Amplifiers
Physics department, IIT Madras, Chennai 600 036, India

List of publications:

A. Journals

Before 1997

25 P. B. Bisht, K. Fukuda and S. Hirayama; Ripple structure in the fluorescence spectra of N,N'-bis(2,5-di-tert-butylphenyl) - 3,4:9, 10-Perylenebis(dicarboximide) (DBPI) in spherical micron sized polystyrene beads, Chemical Physics Letters 258, 71-79 (1996).

24. P. B. Bisht, K. Fukuda and S. Hirayama; Steady-state and time-resolved spectroscopy of some dyes in polymer microspheres showing morphology dependent resonances;

23. P. B. Bisht, G. C. Joshi and H. B. Tripathi, Excited state hydrogen bonding of 2-naphthol-triethylamine system in 1,4- dioxane, Chemical Physics Letters 237, 356-360 (1995).

22. P. B. Bisht, H. Petek, K. Yoshihara and U. Nagashima, Excited state enol-keto tautomerisation in salicylic acid: A supersonic free jet study, J. Chemical Physics 103, 5290-5307 (1995).

21. P. B. Bisht, H. B. Tripathi and D. D. Pant, Cryogenic studies, site selectivity and discrete fluorescence in salicylic acid dimer, J. Photochemistry & Photobiology, A : Chemistry 90, 103-108 (1995).

20. Y. Nagasawa, A. P. Yartsev, K. Tominaga, P. B. Bisht, A. E. Johnson and K. Yoshihara, Dynamical aspects of ultrafast intermolecular electron transfer faster than solvation process: substituent effects and energy gap dependence, J. Physical Chemistry 99, 653-662 (1995).

19. D. D. Pant, H. C. Joshi, P. B. Bisht and H. B. Tripathi, Dual emission and double proton transfer in salicylic acid dimer, Chemical Physics 185,137-144 (1994).

18. P. B. Bisht, H. Petek and K. Yoshihara, Exciplex formation in vdW complex of naphthalene- triethylamine system in supersonic free jet expansions, Chemical Physics Letters 213, 75-83 (1993).

17. P. B. Bisht and H. B. Tripathi, Fluorescence quenching and exciplex formation in Carbazole-Amine system,J. Luminescence 55, 153-158 (1993).

16. P. B. Bisht, H. B. Tripathi and D. D. Pant; Steady-state and transient study of 2-naphthol-diethylamine charge-transfer complexes in polar and nonpolar solvents, J. Photochemistry & Photobiology, A :Chemistry 54, 295-306 (1991).

15. P. B. Bisht, H. B. Tripathi and D. D. Pant; Reinvestigation of photophysics of 2-naphthol-amine hydrogen bonded system-II. : Triplex formation with butylamine, J. Luminescence 47, 261-267 (1991).

14. P. B. Bisht, H. B. Tripathi and D. D. Pant; Time-domain spectroscopy of excited state of 2-naphthol: Charge-transfer complexes with triethylamine in polar solvents, J. Luminescence 46, 25-31 (1990).

13. P. B. Bisht, H. B. Tripathi and D. D. Pant; Reinvestigation of photophysics of 2-naphthol-amine hydrogen bonded system, Chemical Physics 147, 173-187 (1990).

12. P. B. Bisht, H. B .Tripathi and D. D. Pant; Time-resolved spectroscopy of phenol-triethylamine charge-transfer complexes in polar and nonpolar solvents, J. Luminescence 43, 301-308 (1989).

11. P. B. Bisht, G. C. Joshi, H. B. Tripathi and D. D. Pant; Time-resolved spectroscopy of 2-naphthol-triethylamine charge-transfer complexes in polar and nonpolar solvents, Chemical Physics Letters 142 , 291-297(1987).

10. R. Sailaja, V. Sreeja and P. B. Bisht, Studies of self-phase modulation under cw and picosecond laser pumping: White light continuum generation in water, Ind. J. Phys 79, pp 1299-1304 (2005).

9. R. Sailaja and P. B. Bisht, Upconversion dye lasers: Experiments and theoretical simulations on lasing by single and multiphoton pumping under ns and ps excitation, Laser Horizon 7, 17-22 (2004).

8. R. J. Rajesh and P. B. Bisht, Measurement of ultrafast relaxation times by femtosecond optical delay line, J. Opt. 31, 47-51 (2002).

7. R. J. Rajesh, Mini Jose and P. B. Bisht, Diffraction efficiency of transient grating and relaxation profiles of some laser dyes, Indian J. Phys. B 76, 737-742 (2002).

6. U. Tripathy, R. J. Rajesh, P. B. Bisht and A. Subrhamanyam, Optical nonlinearity of organic dyes as studied by Z-scan and transient grating techniques, Proc. Indian Acad. Sci. (Chem. Sci.) 114, 557-564 (2002).

5. R. J. Rajesh, T. S. Natarajan and P. B. Bisht, Computer controlled femtosecond optical delay line for ultrafast optics and spectroscopy, Indian J. Pure & Applied Physics, 39, 636 - 639 (2001).

4. Sandeep P. and P. B. Bisht, Resonances of optical microcavities studied by simulations on steady state spectra of fluorescein 27, Indian J. Phys. B. 75, 539-543 (2001).

3. P. B. Bisht, R. J. Rajesh, and B. M. Sivaram, “Laser induced grating technique to study relaxation times of laser dyes, Laser Horizon , 3, 8-12 (1999).

2. D. D. Pant, H. C. Joshi, P. B. Bisht and H. B. Tripathi, Some studies on excited state proton transfer, Bulletin of Laser and Spectroscopic Society of India 7, 35 (1993).

1. A. Nautiyal and P. B. Bisht, Opt. comm.. in press (2008)

(B). International Conferences

Before 1997

24. P. B. Bisht, K. Fukuda and S. Hirayama, Morphology dependence resonances and spontaneous emission of some dye molecules embedded in microsparticles, Proc. of Photochemistry Conference, Nagoya. p. 13, 1996.

25. H. B. Tripathi, P. B. Bisht and D. D. Pant, Techniques of excited state lifetime measurements; Proc. of Advanced Laser Spectroscopy and Applications, eds. H. D. Bist, R. K. Thareja, A. Pradhan and P. K. Khulbe, Allied publishers, India, p. 33-40, 1996.

26. P. B. Bisht, H. B. Tripathi, D. D. Pant, H. Petek and K. Yoshihara; Excited state intramolecular proton transfer studies in salicylic acid under supersonic jet and cryogenic temperatures, Proc. of Advanced Laser Spectroscopy and Applications, eds. H. D. Bist, R. K. Thareja, A. Pradhan and P. K. Khulbe, Allied Publishers, India, p. 90-104, 1996.

27. P. B. Bisht, H. Petek, K. Yoshihara and U. Nagashima; Excited state intramolecular proton transfer studies in salicylic acid under supersonic jet ; Proc. of 54th Okazaki conference: Dynamic studies on hydrogen atom transfer reactions, Okazaki, Japan, p. 14, 1996.

28. P. B. Bisht, H. Petek and K. Yoshihara, Study of exciplex formation between donor-acceptor van der Waals (vdW) complexes in free jet expansions, Proc. of Int. Conf. Mol. Structure, Kyoto, Japan, p.. 316, 1992.

29. P. B. Bisht, H. Petek and K. Yoshihara, Dynamics of exciplex formation in van der Waals complexes of naphthalene-triethylamine in supersonic free jet, Proc. of Japan Chemical Society Meeting, Tokyo, Japan , p. 282, 1993.

(C). National Conferences

Before 1997

36. P. B. Bisht, H. B. Tripathi and D. D. Pant, Photophysics of salicylic acid dimer; Proc. of Symposium on Molecular Spectroscopy and Laser, BHU, Varanasi, p. 43,1994.

37. P. B. Bisht, H. B. Tripathi and D. D. Pant, Time-resolved spectroscopy and hydrogen bonding in naphthols; Proc. of Symposium on Molecular Spectroscopy and Laser, BHU, Varanasi, p. 54, 1994.

38. P. B. Bisht, G. C. Joshi, H. B. Tripathi and D. D. Pant, Proton transfer, pH jump and red edge effect, Proc. of National Laser Symposium, CAT, Indore, p100, 1993.

39. P. B. Bisht, H. Petek and K. Yoshihara, Exciplex formation in supersonic jet, Proc. of National Laser Symposium, CAT, Indore p. 212-213, 1993.

40. P. B. Bisht, H. B. Tripathi and D. D. Pant, Triplex formation in 2NP-butylamine system. Proc. of National Symposium on Photoscience, Kumaun University, Naini Tal, p. 41, 1990.

41. P. B. Bisht, H. B. Tripathi, G. C. Joshi and D. D. Pant, Time-resolved spectroscopy of 2-naphthol-triethylamine charge transfer complexes in polar and nopolar solvents; Proc. of 'ISRAPS' Seminar on Radiation Chemistry & Photobiology, IIT, Bombay, p. 87,1987.

(E). In unrefereed Journals Indian and Foreign

1. P. B. Bisht, Hrvoje Petek and Keitaro Yoshihara, Exciplex formation in naphthalene-triethylamine vdW complexes in free jet expansion
Annual Review of IMS, Japan. III-G-1 p.46, (1992)

2. P. B. Bisht, Hrvoje Petek and Keitaro Yoshihara, Exciplex formation in anthracene-dimethylaniline vdW complexes in free jet expansion
Annual Review of IMS, Japan III-G-2, p.46 (1992).

3. P. B. Bisht, H. Petek and K. Yoshihara, Excited state enol-keto tautomerisation in salicylic acid: A supersonic free jet study,
Annual Review of IMS, Japan III-F-2 p.48 (1995).

4. Yoshihara et al., Dynamical aspects of ultrafast intermolecular electron transfer faster than solvation process: substituent effects and energy gap dependence,
Annual Review of IMS, III-A-2 p.41 (1995).