laser spectrum

laser spectrum

[′lā·zər ¦spek·trəm]
(physics)
The spectrum that includes all optical wavelengths, ranging from infrared through visible light to ultraviolet, in which coherent radiation can be produced by various types of lasers.
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Raman spectrometry uses Raman spectroscopy, chemical analysis by Spectral Laser Spectrum Collapse (LIBS), and Surface Analysis by SEM (scanning electron microscopy).
Laser spectrum for 160-mA injection currents Courtesy of Leti
Caption: FIGURE 4: Laser spectrum of the InGaAsSb/AlGaAsSb quantum-wells laser diode at room temperature under the current of 150 mA, 180 mA, and 200 mA.
The laser spectrum approximation by Voigt probability distribution allows inclusion of the essential contributions of the white phase noise and 1/f-phase noise simultaneously.
In order to determine the laser spectrum, first we need to know the autocorrelation function [[PHI].sub.EE]([tau]) of the signal E(t), which can be defined as
The LED optical emission can be filtered for generating a multimode spectrum; a multimode laser spectrum can be filtered for eliminating emitted modes.
The introduced OPD has allowed periodic filtering of the laser spectrum by eliminating alternate longitudinal modes and in this way increasing the free spectral range of the multimode laser.
Proudly built in the United States, the new laser line offerings will push the boundaries of nanotechnology within the manufacturing sector, with more precise laser spectrum, higher strength, lighter weight, and increased control, allowing for more flexibility in an ever-changing environment.
Proudly built in the United States, the new offerings will push the boundaries of nanotechnology within the manufacturing sector, with more precise laser spectrum, higher strength, lighter weight, and increased control, allowing for more flexibility in an ever-changing environment.
The laser system has, inter alia, offer the possibility of the spectral bandwidth and the central wavelength of the output laser spectrum to change, while the average output is kept constant at 800 mW.

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