Results 11 to 20 of about 638,812 (341)

Multiwavelength Single-Longitudinal-Mode Ytterbium-Doped Fiber Laser [PDF]

open access: yesIEEE Photonics Technology Letters, 2013
We demonstrate a multiwavelength single-longitudinal-mode (SLM) ytterbium-doped fiber laser. Two Sagnac loop mirrors are inserted into the cavity to ensure multiwavelength and SLM operation, respectively. Three wavelengths with a wavelength spacing of 1.8 nm are generated under stable operation, and the linewidth of each wavelength is measured to be ...
Wong, KKY, ZHOU, Y, Chui, PC
openaire   +5 more sources

Single-longitudinal-mode optical parametric oscillator for spectroscopic applications [PDF]

open access: yesOptics Letters, 2002
We have developed a tunable, narrow-bandwidth nanosecond optical parametric oscillator system and applied it to spectroscopic studies. The system consists of a narrow-bandwidth grazing-incidence oscillator and a seeded power oscillator, generating Fourier-transform-limited 1.5-ns pulses (bandwidth
Mes, J., Leblans, M.J.R., Hogervorst, W.
openaire   +7 more sources

Highly efficient single-longitudinal-mode β-BaB_2O_4 optical parametric oscillator with a new cavity design [PDF]

open access: green, 1995
A new coupled-cavity design for single-longitudinal-mode operation of an optical parametric oscillator (OPO) is presented. The OPO is based on a beta-BaB2O4 crystal and is pumped by the third harmonic of a Nd:YAG laser.
J. M. Boon-Engering   +5 more
openalex   +5 more sources

Repetition rate tunable single-longitudinal-mode acoustic-optical Q-switched nanosecond laser

open access: goldResults in Physics, 2023
Repetition rate-tunable single-longitudinal-mode (SLM) lasers are in wide demand for light detection and ranging. This study proposes an SLM acoustic-optical Q-switched Nd:YVO4 laser based on a short-cavity scheme.
Yifu Chen   +9 more
doaj   +2 more sources

Diode-Pumped Single-Longitudinal-Mode Pr3+:YLF Laser Based on Combined Fabry–Perot Etalons at 522.67 nm

open access: yesPhotonics, 2023
We create a rate equation theoretical model of a continuous-wave end-pumped Pr3+:YLF SLM laser that characterizes the output properties of a single-longitudinal-mode (SLM) green laser. After inserting two Fabry–Perot (F–P) etalons with thicknesses of 0.3
Weicheng Dai   +5 more
doaj   +1 more source

Bidirectional Single Longitudinal Mode Er-Doped Fiber Ring Laser Using a Bandpass Filter and Cascaded Fiber Ring Filter

open access: yesIEEE Access, 2023
Bidirectional single longitudinal mode fiber ring laser have advantages and potential in optical sensing, especially angular velocity sensing. The current methods for implementing bidirectional single longitudinal mode fiber ring laser cannot ensure ...
Bowen Xu   +3 more
doaj   +1 more source

An Ytterbium-Doped Narrow-Bandwidth Randomly Distributed Feedback Laser Emitting at a Wavelength of 976 nm

open access: yesPhotonics, 2023
All-fiber, polarization maintaining, narrow-bandwidth, Yb-doped fiber lasers with randomly distributed feedback operated near 976 nm were realized for the first time.
Danila A. Davydov   +9 more
doaj   +1 more source

Single longitudinal mode narrow linewidth thulium-doped fiber laser based on an eye-shaped dual-ring filter

open access: yesFrontiers in Physics, 2023
A single-longitudinal-mode (SLM) thulium-doped fiber laser, based on an eye-shaped passive dual-ring filter, is designed and constructed. The eye-shaped passive compound cavity consisting of four couplers is used to increase the longitudinal mode spacing,
Xiangdong Wang   +12 more
doaj   +1 more source

Single-Longitudinal-Mode Laser at 1123 nm Based on a Twisted-Mode Cavity

open access: yesCrystals, 2021
A single-longitudinal-mode (SLM) Neodymiun-doped Yttrium Aluminium Garnet (Nd:YAG) laser at 1123 nm was first demonstrated with a twisted-mode (TM) cavity. By eliminating the spatial hole burning phenomenon, a stable SLM 1123 nm laser output was obtained.
Yang Liu   +6 more
doaj   +1 more source

Study of the Effects of Cavity Mode Spacing on Mode-Hopping in III–V/Si Hybrid Photonic Crystal Lasers

open access: yesCrystals, 2021
We present a design methodology for hybrid lasers to realise mode-hop free operation by controlling the cavity mode spacing. In this study, a compact hybrid photonic crystal laser (H-PhCL) was employed which allowed a reduction of the Fabry–Perot length ...
Praveen K. J. Singaravelu   +5 more
doaj   +1 more source

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