2009
DOI: 10.1117/12.809456
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High-brightness fiber coupled pumps

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Cited by 18 publications
(3 citation statements)
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“…For high-power lasers, the short cavity lengths meant poor thermal resistances and low output powers. The adoption of Molecular Beam Epitaxy (MBE) and Metal-Organic Chemical Vapor Deposition (MOCVD) increased the growth precision down to <1 nm which led to dramatic decreases in internal loss down to ~0.35 cm -1 [2]. Moreover, improvements in material growth and laser epitaxial design from efforts such as the DARPA SHEDS program, has demonstrated laser diode efficiencies as high as 85% [1].…”
Section: Introductionmentioning
confidence: 97%
“…For high-power lasers, the short cavity lengths meant poor thermal resistances and low output powers. The adoption of Molecular Beam Epitaxy (MBE) and Metal-Organic Chemical Vapor Deposition (MOCVD) increased the growth precision down to <1 nm which led to dramatic decreases in internal loss down to ~0.35 cm -1 [2]. Moreover, improvements in material growth and laser epitaxial design from efforts such as the DARPA SHEDS program, has demonstrated laser diode efficiencies as high as 85% [1].…”
Section: Introductionmentioning
confidence: 97%
“…Laser diodes (LDs) at 808 nm are widely used in materials processing [1,2], optically pumped solid-state lasers [3][4][5], and medical applications [6,7]. The performance and reliability of diode lasers have been dramatically improved by the advancement in epitaxial growth technologies and the introduction of novel or optimized epitaxial designs [8][9][10][11][12][13][14][15][16][17]. In these applications, high power conversion efficiency (PCE) has been a key design parameter and performance indicator for LDs, which is defined as optical output power per input electrical power (i.e.…”
Section: Introductionmentioning
confidence: 99%
“…The active length of a semiconductor chip determines the output power from a diode laser, where longer cavities permit extracting higher output powers [125]. The standard diode laser bar, giving output powers of the order of hundreds of watt, has typical cavity lengths of 2-4 mm.…”
Section: Spatial Filtering In Longer Cavity Lasermentioning
confidence: 99%