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   Articles with "narrow linewidth" as a keyword



Ultra-Narrow Linewidth Photo-Emitters in Polymorphic Selenium Nanoflakes.

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recommendations! Published in 2022 at "Small"

DOI: 10.1002/smll.202204302

Abstract: Photoluminescence (PL) in state-of-the-art 2D materials suffers from narrow spectral coverage, relatively broad linewidths, and poor room-temperature (RT) functionality. The authors report ultra-narrow linewidth photo-emitters (ULPs) across the visible to near-infrared wavelength at RT in… read more here.

Keywords: photo; photo emitters; ultra narrow; selenium ... See more keywords
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3 kW narrow linewidth high spectral density continuous wave fiber laser based on fiber Bragg grating

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recommendations! Published in 2021 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2020.106538

Abstract: Abstract We demonstrated a narrow linewidth monolithic fiber-Bragg-grating-based (FBG-based) MOPA configuration fiber laser with a high power spectral density (PSD). In the oscillator, long-grating-length FBG with narrow reflection bandwidth was employed, combined with a short… read more here.

Keywords: fiber bragg; fiber; fiber laser; bragg grating ... See more keywords

Thermo-stable resonator for intracavity-pumped dual-wavelength narrow-linewidth laser

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recommendations! Published in 2021 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2021.107086

Abstract: Abstract A method is presented to determine the focal lengths of thermal lenses and the beam waist of an intracavity-pumped dual-wavelength narrow-linewidth laser in the laser gain medium. In this method, two thermal lenses are… read more here.

Keywords: stable resonator; dual wavelength; narrow linewidth; thermo stable ... See more keywords

Recent progress on narrow-linewidth crystalline bulk Raman lasers

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recommendations! Published in 2020 at "Results in physics"

DOI: 10.1016/j.rinp.2020.103073

Abstract: Abstract Narrow-linewidth, solid-state Raman lasers are of significant importance for numerous applications. In last decade, variety of methods have been utilized to suppress the spectral linewidth of Raman laser output. In this review we summarize… read more here.

Keywords: raman; linewidth crystalline; recent progress; narrow linewidth ... See more keywords

A 301 W narrow-linewidth in-band pumped Er:Yb co-doped fiber amplifier at 1585 nm and related modeling for dynamics study and optimization

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recommendations! Published in 2024 at "High Power Laser Science and Engineering"

DOI: 10.1017/hpl.2024.20

Abstract: Abstract To overcome Yb lasing, a kilowatt-level 1535 nm fiber laser is utilized to in-band pump an Er:Yb co-doped fiber (EYDF) amplifier. The output power of a 301 W narrow-linewidth EYDF amplifier operating at 1585… read more here.

Keywords: band; amplifier; narrow linewidth; doped fiber ... See more keywords

Miniature narrow-linewidth 1 μm laser

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recommendations! Published in 2024 at "Applied Physics Letters"

DOI: 10.1063/5.0195628

Abstract: A self-injection locking scheme has the potential to narrow the linewidth of lasers in a compact setup. Here, we report a narrow linewidth laser source near 1 μm by the self-injection locking scheme using a Fabry–Pérot… read more here.

Keywords: laser; linewidth laser; narrow linewidth; miniature narrow ... See more keywords

Self Q-switched characteristic based on single longitudinal DBR erbium-doped fiber laser with narrow linewidth pulse output

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recommendations! Published in 2017 at "Laser Physics"

DOI: 10.1088/1555-6611/aa7fa0

Abstract: The self Q-switched characteristic of the single longitudinal-mode distributed Bragg reflector (DBR) erbium-doped fiber laser (EDFL) with narrow linewidth pulse output is demonstrated without any extra saturable absorber or electro-optic and acoustic-optic modulator, and it… read more here.

Keywords: laser; pulse; self switched; single longitudinal ... See more keywords

High-power narrow-linewidth QCW diode-pumped TEM00 1319 nm Nd:YAG oscillator using twisted-mode technique

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recommendations! Published in 2017 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/aa6b36

Abstract: We demonstrated a high-average-power, narrow-linewidth, quasi-continuous-wave diode-side-pumped 1319 nm Nd:YAG twisted-mode laser oscillator with a linearly polarized TEM00 mode. The resonator is based on a symmetrical convex–convex structure with a two-rod configuration for birefringence compensation,… read more here.

Keywords: twisted mode; laser; 1319 yag; power narrow ... See more keywords

2.43 kW narrow linewidth linearly polarized all-fiber amplifier based on mode instability suppression

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recommendations! Published in 2017 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/aa760b

Abstract: We demonstrate an experimental study on scaling mode instability (MI) threshold in fiber amplifiers based on fiber coiling. The experimental results show that coiling the active fiber in the cylindrical spiral shape is superior to… read more here.

Keywords: linewidth linearly; mode instability; fiber; amplifier ... See more keywords
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Power scaling of narrow-linewidth mid-IR spherical microlasers

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recommendations! Published in 2018 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/aac5c8

Abstract: We discuss issues re: power scaling of mid-IR Er:ZBLAN spherical microlasers and demonstrate achievement of near-milliwatt power levels from a narrow-linewidth (< 50 pm) 2.71 um laser source based on an Er:ZBLAN microlaser. read more here.

Keywords: power scaling; linewidth mid; power; spherical microlasers ... See more keywords

A single-longitudinal-mode narrow-linewidth dual-wavelength fiber laser using a microfiber knot resonator

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recommendations! Published in 2019 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/aaf69f

Abstract: A stable narrow-linewidth dual-wavelength single-longitudinal-mode (SLM) erbium-doped fiber laser is demonstrated using a microfiber knot resonator (MKR). A MKR made by the microfiber knotting method exhibits the characteristics of flexibility, high quality factor and broad… read more here.

Keywords: dual wavelength; narrow linewidth; fiber laser; laser ... See more keywords