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Multi-wavelength operation using comb laser

Frequency-comb-referenced multi-channel fiber laser for DWDM communication

Frequency-comb-referenced multi-channel fiber laser for DWDM communication

... frequency comb of a fiber femtosecond ...separate laser diode, the line power of the final cw laser output is in proportion to the number of channels without significant power variation between ...
Tunable Multi Wavelength by Pulse Signal Modulation in Laser Pumping of EDFA

Tunable Multi Wavelength by Pulse Signal Modulation in Laser Pumping of EDFA

... by laser pumping at wavelength 980 ...has multi wavelength and the spacing of wavelength can be controlled by controlling the pulse width of laser ...of using EDFA system ...

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Terrain classification using multi-wavelength LiDAR data

Terrain classification using multi-wavelength LiDAR data

... the laser, or Light Amplification by Stimulated Emission of ...working laser in ...a laser being employed as a remote ...short wavelength of LiDAR. Laser pulses are directed at a ...

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Expansion and phase correlation of a wavelength tunable gain switched optical frequency comb

Expansion and phase correlation of a wavelength tunable gain switched optical frequency comb

... mode operation at the chosen ...combined using a 50:50 optical coupler and temperature tuned to result in a partial overlap between ...3-4 comb lines is necessary for a strong phase transfer and the ...

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Multi-wavelength, all-solid-state, continuous wave mode locked picosecond Raman laser

Multi-wavelength, all-solid-state, continuous wave mode locked picosecond Raman laser

... the laser displayed substantial pulse compression, due to the complex interplay between the non-instantaneous Raman effect and the depletion of the pump ...the laser; to recover the pulse profiles we used ...

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Radiometric calibration of a dual-wavelength terrestrial laser scanner using neural networks

Radiometric calibration of a dual-wavelength terrestrial laser scanner using neural networks

... to laser operation and external heating, and this heating of the lasers can in fluence outgoing (P t ) laser pulse ...of laser power on temperature is well known (Welford and Mooradian 1982) ...

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Radiometric calibration of a dual wavelength terrestrial laser scanner using neural networks

Radiometric calibration of a dual wavelength terrestrial laser scanner using neural networks

... to laser operation and external heating, and this heating of the lasers can in fl uence outgoing (P t ) laser pulse ...of laser power on temperature is well known (Welford and Mooradian 1982) ...

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DW-ZCC code based on SAC-OCDMA deploying multi-wavelength laser source for wireless optical networks

DW-ZCC code based on SAC-OCDMA deploying multi-wavelength laser source for wireless optical networks

... Fig. 4: Log of BER against transmission distance with DW-ZCC for different turbulence values. thermal noise, shot noise, RIN, channel attenuation and also turbulence were taken into account. Results demonstrated that ...

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DW-ZCC code based on SAC-OCDMA deploying multi-wavelength laser source for wireless optical networks

DW-ZCC code based on SAC-OCDMA deploying multi-wavelength laser source for wireless optical networks

... deploying multi-wavelength laser (MWL) source, where optical bandwidth is much ...improved using DW-ZCC in term of transmission distance by at least 200 m in comparison with MDW and ...

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One-year results of photorefractive keratectomy and laser in situ keratomileusis for myopia using a 213 nm wavelength solid-state laser

One-year results of photorefractive keratectomy and laser in situ keratomileusis for myopia using a 213 nm wavelength solid-state laser

... scanning laser ophthalmoscope (HRT II/Rostock Cornea Module, Heidelberg ...of operation of the modified scanning laser ophthalmoscope has been ...

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Fiber Optical Parametric Oscillator with Switchable and Wavelength-Spacing Tunable Multi-Wavelength

Fiber Optical Parametric Oscillator with Switchable and Wavelength-Spacing Tunable Multi-Wavelength

... and multi-wavelength lasing is achieved as a consequence of multiple FWM effect between the lasing light and the pump light ...result, using two FBGs produce two multi-wavelength lasing ...

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Analysis of Augmented Gain EDFA Systems using Single and Multi wavelength Sources

Analysis of Augmented Gain EDFA Systems using Single and Multi wavelength Sources

... Codirectional Pumping. Fig 11 & 12 are showing the comparison graphs for gain and noise figure using single and multiple wavelength sources. Result observations show a mapping between pump power and input ...

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Calibration of Multi-wavelength Raman Polarization Lidar

Calibration of Multi-wavelength Raman Polarization Lidar

... from laser is not completely polarized light and optical components drawbacks also bring depolarisation, calibration by depolarizer plate is not ...system using very narrow filters (depolarization equals to ...

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Injection locking of a terahertz quantum cascade laser to a telecommunications wavelength frequency comb

Injection locking of a terahertz quantum cascade laser to a telecommunications wavelength frequency comb

... cascade laser (QCL), however, the linewidth of this com- pact semiconductor laser is typically too broad for many applications, and its frequency is not directly referenced to primary frequency ...

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Wavelength scanning interferometry using a Ti:Sapphire laser with wide tuning range

Wavelength scanning interferometry using a Ti:Sapphire laser with wide tuning range

... Ti:S laser with large scanning ranges (4100 nm) and wavelength steps down to a few picometers has been developed for wavelength scanning interferometry ...the laser have allowed high speed ...

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Research on Measurement of Liquid Refractive Index Using Fem to Second Laser Frequency Comb

Research on Measurement of Liquid Refractive Index Using Fem to Second Laser Frequency Comb

... Second Laser Frequency Comb Han Jia, Tuo Zhao, Weiwei Yang and Guangzheng Jia ABSTRACT In this paper, we develop a method to measure the refractive index of liquid at different temperatures applying the ...

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Quantum cascade laser based TERAhertz frequency COMB

Quantum cascade laser based TERAhertz frequency COMB

... TERACOMB Workpackages. WP [r] ...

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Wavelength converter using a highly erbium doped optical fiber ring laser

Wavelength converter using a highly erbium doped optical fiber ring laser

... all-fiber wavelength converter based on a highly Er- doped fiber laser which has been experimentally ...the wavelength conversion can be carried out over not only one lasing wavelength but ...

6

Fully phase-stabilized quantum cascade laser frequency comb

Fully phase-stabilized quantum cascade laser frequency comb

... If f d is chosen to be in the range of few MHz, the resulting BNs are RF signals, equally spaced by f d , that can be simultaneously analyzed by a spectrum analyzer. The signal in eq. 4 clearly bears information on both ...

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Multi-Wavelength Facets of Galaxy Clusters

Multi-Wavelength Facets of Galaxy Clusters

... variance, is largest for the low-mass halos selected by M star . In addition, there may be some non-Guassianity beginning to appear in p(M star M halo ) at these low masses, as close inspection of Figure 3.8 indicates. ...

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