Results 221 to 230 of about 146,554 (263)

High-efficiency single-longitudinal-mode laser

OSA Annual Meeting, 1993
This is a new type laser composed by two resonators. It conquers the contradiction between the efficiency and the quality of single longitudinal mode (SLM), and there is no strict matching requirement for resonator and modes of injection locking.
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Tunable, Single-Longitudinal Mode 2 μm VECSEL

Frontiers in Optics + Laser Science APS/DLS, 2019
A tunable, 2 μm, narrow linewidth vertical-external-cavity surface-emitting laser (VECSEL) is demonstrated. Single-longitudinal mode operation with sub-MHz linewidth is achieved over a tuning range of 80 nm.
Jennifer M. Reed, Robert G. Bedford
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Resonantly pumped single-longitudinal-mode Ho:YAG laser

Applied Physics B, 2016
We demonstrated a 1.9-μm-pumped high-efficiency single-longitudinal-mode Ho:YAG laser with intra-cavity etalons for the first time. By inserting the F–P etalons into the laser cavity, single-longitudinal-mode Ho:YAG lasing was achieved at a wavelength of 2081.2 nm.
Y. L. Ju, W. Liu, B. Q. Yao, T. Y. Dai, J. Wu, X. M. Duan, Y. J. Shen, Y. Z. Wang   +7 more
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Single-longitudinal-mode laser as a discrete dynamical system

Journal of the Optical Society of America B, 1985
A solid-state laser running on a single longitudinal mode can show chaotic time behavior if several transverse modes are excited. The temporal development of the laser is approximated by a Kirchhoff integral together with a rate equation for the inversion.
F. Hollinger, Chr. Jung
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Partition fluctuations in nearly single-longitudinal-mode lasers

Journal of Lightwave Technology, 1984
A simple model of mode partition noise is developed, which is valid for semiconductor lasers operating CW, having a single active region and oscillating primarily in one dominant mode. It is shown that the intensity fluctuations in the nonlasing modes occur with characteristic times of a few nanoseconds and have exponential probability distributions ...
C. Henry, P. Henry, M. Lax
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Single longitudinal mode operation of a fibre laser [PDF]

, 1987
We report the first operation of a monomode fibre laser oscillating on a single longitudinal mode. The laser incorporates an integral fibre grating and the output linewidth is 1.3MHz FWHM.
Jauncey, I.M., Reekie, L., Payne, D.N.
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Pressure tuned single longitudinal mode dye laser

Optics Communications, 1987
Abstract The design and construction of a pressure tuned single longitudinal mode (SLM) dye oscillator is described. The oscillator had a pressure tuned range of ⩾ 3.75 cm −1 and a time average linewidth of 0.019 cm -1 . The output of the oscillator could be increased by four orders of magnitude in an amplifier chain which incorporated a phase ...
O.L. Bourne, D.M. Rayner
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Single longitudinal-mode optical phonon scattering in Ga0.47In0.53As

Applied Physics Letters, 1983
We show that only one of the four Raman active modes in Ga0.47In0.53As shows the required symmetry behavior for longitudinal optical (LO) phonons. An additional mode previously supposed to be LO shows mixed-mode behavior and may be disorder activated.
T. P. Pearsall, R. Carles, J. C. Portal
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III Single-Longitudinal-Mode Semiconductor Lasers

1988
Publisher Summary This chapter discusses the single-longitudinal-mode (SLM) semiconductor lasers. The use of single-mode fibers has eliminated the problem of modal noise. The chapter reviews the recent progress in the field of SLM semiconductor lasers. The physics of semiconductor lasers is discussed and the material system and the structure commonly
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Single longitudinal mode operation of the electron-beam-pumped semiconductor laser

IEEE Journal of Quantum Electronics, 1986
The influence of the external and internal resonator parameters on the laser emission spectral and spatial characteristics has been investigated. Single longitudinal mode operation of the electron-beam-pumped visible semiconductor laser with an external resonator has been observed.
J. Khurgin, W. Seemungal, S. Colak, A. Heeling   +3 more
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