Results 211 to 220 of about 347,372 (260)

Hollow-core fiber gas lasers [Invited]. [PDF]

open access: yesLight Sci Appl
Wang Z   +17 more
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Gain guiding in solid-state lasers

Optics Letters, 1992
We show that the gain gradient introduced when a solid-state laser is pumped with a Gaussian beam can be used to obtain large Gaussian modes from unstable resonators. Extremely high efficiencies and high-quality beams have been obtained by using gain guiding in an unstable Ti:Al2O3 laser.
F Salin, Jeff Squier
exaly   +4 more sources

A Solid-State Charge Detector With Gain Calibration Using Photocurrent

IEEE Transactions on Instrumentation and Measurement, 2020
We describe a charge detector that utilizes a high-gain, differential solid-state amplifier with active reset and a novel technique to measure the gain using a custom optoelectronic system. Implemented in a 180-nm complementary metal–oxide–semiconductor (CMOS) process, the amplifier realizes a high gain of $8.9~\mu \text{V}/\text{e}-$ and single ...
Yixin Song   +2 more
exaly   +2 more sources

Gaining a solid grip on adipogenesis

Tissue and Cell, 2005
Obesity is presently being combated by fitness regimens, drugs and diet. Increasing our understanding of the physiology of adipocytes, by deducing the regulatory pathways involved in lipid metabolism and all aspects of adipogenesis, will provide alternative strategies to reduce adverse problems of obesity.
Fernyhough, M. E.   +5 more
openaire   +3 more sources

Osmotic dehydration: More than water loss and solid gain

Critical Reviews in Food Science and Nutrition, 2021
The immersion of food in a hypertonic solution results in an osmotic dehydration process (OD) with the loss of water (WL) from the food to the solution and the gain of solids from the solution (SG) by the food. For this reason, OD is commonly used to produce semi-dehydrated or enriched foods by incorporation. Although the most of OD studies are focused
Fernanda Rezende Abrahão   +1 more
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Raman gain measurement in solid parahydrogen

Optics Letters, 2000
We report a steady-state Raman gain measurement of the Q(1)(0) transition (v = 1 ? 0, J = 0 ? 0) in solid parahydrogen. We carry out measurements by pumping with a continuous-wave frequency-doubled YAG laser at 532 nm and observing the direct amplification of a probe-laser beam for the first Stokes transition at 683 nm.
M, Katsuragawa, K, Hakuta
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Measurement of the gain and refraction effects in a solid state laser

Applied Optics, 1979
The gain and propagation constants, characterizing a lenslike medium, are calculated on the basis of some experimental results on the parameters which determine the Gaussian beam in its fundamental mode. The experiments were carried out with a ruby and a glass neodymium laser.
J, Fesquet, H, Irla, J, Roig
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Solid State Gain Media Pumped with XeCI-Laser

CLEO/Europe Conference on Lasers and Electro-Optics, 1998
Lasing properties and photostability of two dyes in both polymeric matrix and ethanol solutions radiating in blue-green region of the spectrum pumped by a XeCl - laser are studied.
T. N. Kopylova   +11 more
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The optical gain mechanism in solid conjugated polymers

Applied Physics Letters, 1998
We report on stimulated emission from a solid conjugated methyl-substituted ladder-type poly(paraphenylene). The threshold for stimulated emission as well as the spectral narrowing is measured. Upon exciting within the low energy tail of the S1-S0 (0–0) absorption band narrow emission lines offset from the excitation by the energies of the dominant ...
Schweitzer, B.   +7 more
openaire   +2 more sources

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