Zobrazeno 1 - 10
of 80
pro vyhledávání: '"H.S. Vora"'
Autor:
S. Nigam, Pooja Gupta, K. Aneesh, H.S. Vora, Y. B. S. R. Prasad, P. K. Tripathi, A. S. Joshi, M. L. Sharma, P. A. Naik, S. Barnwal
Publikováno v:
Applied Physics B. 123
The possibility to demonstrate X-ray lasing in nitrogen at 13.4 nm through recombination scheme driven by capillary discharge excitation has been explored at a high discharge current of ~95 kA, with ~46 ns quarter period. The emission from nitrogen p
Autor:
H.S. Vora, Nageshwar Singh
Publikováno v:
Optik. 124:7027-7031
High repetition rate dye lasers have inevitable spectral fluctuations. In this paper, investigation of wavelength and bandwidth fluctuations of a narrow bandwidth high repetition rate dye laser through notable dye cells have been carried out. The con
Publikováno v:
Optics & Laser Technology. 48:309-314
In this paper, an investigation on the thermo-optic characteristics of dye solution of a high repetition rate narrow spectral width dye laser has been carried out. The dye laser characteristics such as spectral width, wavelength, average optical powe
Publikováno v:
Optics & Laser Technology. 45:256-261
In this paper, performance of a transversely pumped high repetition rate narrow spectral width tunable dye laser, which makes use of a very simple dye cell, has been investigated. The dye cell is made of a single piece glass tube, which is free from
Publikováno v:
Journal of Luminescence. 134:607-613
In this paper, fluorescence from Rhodamine 6G dye for stationary and flowing liquid medium, excited by copper vapor laser, operating at 6 kHz pulse repetition frequency, was investigated. Large fluctuations in spectral width (about 5 nm) and spectral
Autor:
H.S. Vora, Nageshwar Singh
Publikováno v:
Applied Physics B. 110:483-489
In this paper, we report a new technique for spatial and temporal coherence measurement of narrow bandwidth sources. In particular, coherence measurement of a narrow bandwidth dye laser using Young’s double slit method and the Fabry–Perot interfe
Publikováno v:
Optics & Laser Technology. 44:412-420
This paper presents an experimental study and theoretical analysis on the effect of pump power on the divergence, pointing, line-width and wavelength stability of a narrow line-width, high repetition rate dye laser oscillator. The dye laser oscillato
Autor:
H.S. Vora, Nageshwar Singh
Publikováno v:
Optics & Laser Technology. 42:866-872
The effect of the input electrical power on the spectral width of the 510.6 nm line of an atomic copper vapor laser (CVL) is investigated. An analysis of the gas temperature inside the discharge tube and the line broadening mechanism of the CVL is re
Publikováno v:
Journal of Laser Applications. 22:79-85
The present paper describes an experimental hybrid welding study, involving CO2 laser and gas tungsten arc welding, on 6 mm thick austenitic stainless steel sheet. The study focused on real-time plasma monitoring during welding and metallographic exa
Autor:
H.S. Vora, Nageshwar Singh
Publikováno v:
Optics Communications. 282:4259-4265
In this paper, a new technique for data representation format from video recording of spectral profile of tunable dye laser has been formulated. Only a part of the acquired images acquired sequentially in programmed time interval, was used to make th