Abstract: We present a compact and efficient method for directly coupling a near-ultraviolet laser diode with high beam ellipticity to a hollow core fiber (HCF) using an all-fiber mode field diameter ...
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Abstract: The 7xx nm laser diode is the core pump source for Diode Pumped Alkali Vapor Laser (DPAL). For these applications, high power and narrow spectral width are essential. Traditional Fabry-Pérot ...