Compact, fiber-compatible, cascaded Raman laser [PDF]
Optics Letters, 2003 Cascaded Raman Stokes lasing in an ultrahigh-Q silica microsphere resonator coupled to a tapered fiber is demonstrated and analyzed. With less than 900 μW of pump power near 980 nm, five cascaded Stokes lasing lines are generated.
Kippenberg, Tobias J. +2 more
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High power tunable Raman fiber laser at 1.2 μm waveband [PDF]
Frontiers of OptoelectronicsDevelopment of a high power fiber laser at special waveband, which is difficult to achieve by conventional rare-earth-doped fibers, is a significant challenge. One of the most common methods for achieving lasing at special wavelength is Raman conversion.
Yang Zhang +8 more
doaj +2 more sources
Phosphosilicate Fiber-Based Low Quantum Defect Raman Fiber Laser with Ultrahigh Spectral Purity [PDF]
Nanomaterials, 2022 The phosphosilicate fiber-based Raman fiber laser (RFL) has great potential in achieving low-quantum defect (QD) high-power laser output. However, the laser’s performance could be seriously degraded by the Raman-assisted four-wave mixing (FWM) effect and
Yang Zhang +7 more
doaj +2 more sources
All-fiber highly efficient delivery of 2 kW laser over 2.45 km hollow-core fiber [PDF]
Nature CommunicationsAnti-resonant hollow-core fibers have emerged as an important medium for high-power laser delivery due to their low optical nonlinearity and high damage threshold.
Jing Shi +18 more
doaj +2 more sources
Composite fiber Bragg grating written by femtosecond laser for Raman suppression in high-power fiber oscillators [PDF]
Frontiers of OptoelectronicsHigh-power fiber oscillators have been widely used in industrial processing, high-end manufacturing, biomedicine and so on. However, as the output power increase, stimulated Raman scattering (SRS) becomes the main factor limiting the performance ...
Hao Li +9 more
doaj +2 more sources
Fiber laser based stimulated Raman photothermal microscopy towards a high-performance and user-friendly chemical imaging platform [PDF]
PhotoniXStimulated Raman scattering (SRS) microscopy is a highly sensitive chemical imaging technique. However, the SRS imaging performance hinges on two key factors: the reliance on low-noise but bulky solid-state laser sources and stringent sample requirements
Xiaowei Ge +6 more
doaj +2 more sources
Intra-Cavity Raman Laser Operating at 1193 nm Based on Graded-Index Fiber
Photonics, 2022 Nonlinear Raman frequency conversion is an important technical scheme to obtain special optical band lasers based on conventional ion-doped lasers. In our work, we designed an intra-cavity Raman fiber laser based on graded index fiber (GRIF) as the Raman
Chunhua Hu, Ping Sun
doaj +1 more source
D2-Filled Hollow-Core Fiber Gas Raman Laser at 2.15 μm
Photonics, 2022 Fiber lasers around 2 µm band have attractive applications, such as coherent detecting, material processing, pump source for mid-IR lasers based on nonlinear frequency shift, etc. Fiber gas Raman lasers (FGRLs) based on the stimulated Raman scattering of
Ziyan Li +6 more
doaj +1 more source
All-Fiber Gas Raman Laser by D2-Filled Hollow-Core Photonic Crystal Fibers
Photonics, 2021 We report here an all-fiber structure tunable gas Raman laser based on deuterium-filled hollow-core photonic crystal fibers (HC-PCFs). An all-fiber gas cavity is fabricated by fusion splicing a 49 m high-pressure deuterium-filled HC-PCF with two solid ...
Wenxi Pei +4 more
doaj +1 more source
Fiber Raman Amplifiers and Fiber Raman Lasers [PDF]
Micromachines, 2020 Stimulated Raman scattering (SRS) is a nonlinear optical effect, observed for the first time in 1962, which lies at the heart of fiber Raman amplifiers and fiber Raman lasers [...]
openaire +4 more sources