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Tunable Diode Lasers Definitions of Characteristics

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Tunable Diode Lasers Definitions of Characteristics

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The maximum difference between the measured wavelength and the displayed wavelength of the laser system. The ratio of the optical power at the center of the laser linewidth to the optical power at a given distance, as measured using an optical spectrum analyzer with a set resolution bandwidth. The frequency range over which the laser can be piezoelectrically tuned. (If l is the wavelength of the laser and c is the speed of light, the tuning range expressed in frequency, Dn, and wavelength, Dl, is related by Dn=c•Dl/l2. Keep in mind that 30 GHz is equivalent to 1 cm–1.)

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