Factory Throughput-enhanced grating spectrometers for fiber-optic Raman
Grating spectrometers are widely utilized to perform the single-shot spectral measurement with relatively high performance, while inherently suffering from a conflict between optical throughput
Factory Composite fiber grating with Raman suppression for
In this study, the team from the National University of Defense Technology introduced a composite fiber Bragg grating (FBG) written directly
Factory High power, fixed and tunable wavelength, Grating-free Cascaded Raman
Cascaded Raman lasers enable high powers at various wavelength bands inaccessible with conventional rare-earth doped lasers. The input and output wavelengths of conventional
Factory Multi-core fiber with integrated fiber Bragg grating for background
The combination of Raman spectroscopy with fiber optic probes enables analyzing the biochemical composition of tissues without markers in a non-destructive way. A small diameter (1
Factory Effective Inhibition of Stimulated Raman Scattering in Fiber Oscillator
Stimulated Raman scattering is an important factor limiting the further improvement of the output performance of high-power fiber lasers. Long-period fiber bragg grating (LPFG) has been
Factory Composite fiber Bragg grating written by femtosecond
In comparison, using fiber gratings as spectral filters to suppress SRS has the advantages of simple operation, low cost, easy compatibility with
Factory Robust femtosecond-written chirped and tilted fiber
Recently, chirped and tilted fiber Bragg gratings (CTFBGs) have received great attention because they can realize suppression of stimulated
Factory Optimization of Chirp and Tilt of Fiber Bragg gratings
Abstract and Figures Fiber Bragg gratings with a tilt of controlled angle and a chirp of controlled direction are analyzed for Raman suppression in
Factory Fiber Bragg Gratings
Raman Kashyap, Canada Research Chair holder on Future Photonics Systems, and Professor at École Polytechnique, University of Montréal since 2003, has researched optical fibers
Factory Optimization of Chirp and Tilt of Fiber Bragg gratings for Raman
In recent years, chirped and tilted fiber gratings (CTFBG) have become promising all-fiber components for the suppression of Stimilated Raman Scattering (SRS) in high power fiber lasers (HPFLs). A
Factory Composite fiber Bragg grating written by femtosecond laser for Raman
In this paper, a chirped and tilted fiber Bragg grating (CTFBG) is used to suppress SRS in a high-power fiber oscillator.
Factory Raman suppression in a high-power single-mode fiber
Abstract We propose the design of a high-power fiber oscillator with chirped and tilted fiber Bragg gratings (CTFBGs) to suppress the stimulated Raman scattering within the fiber cavity
Factory Gratings with longitudinal variations in coupling coefficients: super
A new technique was presented to design highly-efficient and -unidirectional DFB Raman fiber lasers based on a π -phase-shifted coupling-engineered fiber Bragg grating.
Factory Raman suppression in a high-power single-mode fiber oscillator using
Abstract We propose the design of a high-power fiber oscillator with chirped and tilted fiber Bragg gratings (CTFBGs) to suppress the stimulated Raman scattering within the fiber cavity
Factory Random fiber Bragg grating Raman fiber laser
We demonstrate for the first time to our knowledge a Raman random fiber laser (RRFL) based on a long random fiber Bragg grating (RFBG-RRFL).
Factory Effective Inhibition of Stimulated Raman Scattering in Fiber Oscillator
Long-period fiber bragg grating (LPFG) has been demonstrated as an effective component for suppressing Stimulated Raman Scattering (SRS) in high-power fiber lasers. The
Factory Fiber Bragg Gratings
Fiber Bragg Gratings is the result of a growing demand for focused and reliable information on the subject. It brings together the fundamentals of fiber gratings, their specific characterizations, and
Factory Fabrication of 2 kW-Level Chirped and Tilted Fiber Bragg Gratings
Abstract: Chirped and tilted fiber Bragg gratings (CTFBGs) have attracted a lot of attention in stimulated Raman scattering (SRS) suppression of high-power fiber lasers.
Factory Raman suppression in 5 kW fiber amplifier using long period fiber
The conversion efficiency of fiber laser is promoted with the insertion of LPFG. Long period fiber grating (LPFG) can be used as a band rejection component, providing a potential effective way
Factory Raman suppression in high-power fiber laser oscillator by long period
Stimulated Raman scattering (SRS) is a major limiting factor for better performance of high-power fiber lasers. Several spectral filtering methods have been used for Raman suppression,
Factory Composite fiber Bragg grating written by femtosecond laser for Raman
However, as the output power increase, stimulated Raman scattering (SRS) becomes the main factor limiting the performance improvement of fiber oscillators. In this paper, a chirped and tilted fiber
Factory Composite fiber Bragg gratings fabricated by
Fiber Bragg grating (FBG) is a key component in high-power fiber lasers. Mirror FBGs can act as cavity mirrors for fiber oscillators, and chirped
Factory Fiber Bragg Gratings in Polarization Maintaining Specialty Fiber for
The fabrication of fiber Bragg gratings (FBG) in highly nonlinear specialty fibers for Raman fiber lasers (RFL) is described. Besides the special properties of FBGs in polarization
Factory Composite fiber Bragg grating written by femtosecond
High-power fiber oscillators have been widely used in industrial processing, high-end manufacturing, biomedicine and so on. However, as the