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Laser Diode Design Principals

The impressive technological advances that resulted in semiconductor diode laser technologies within the last decade can be grouped roughly into four areas: higher optical output power, higher single transverse mode and diffraction-limited output, increased range of lasing wavelengths, and significantly improved reliability (see Part II). Most noteworthy commercial demonstrations in high-power continuous wave (cw) outputs of single-emitter and multi-element emitter laser products, as an example, within the 980 nm band, include 0.75 W ex-fiber for single spatial mode, narrow-stripe emitters, 12 W…

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