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tunable Y laser

Tunable, CW laser emission at 225 nm via intracavity frequency tripling in a semiconductor disk laser

Tunable, CW laser emission at 225 nm via intracavity frequency tripling in a semiconductor disk laser

... compact laser source with tunable, continuous-wave emission in the deep ul- traviolet (wavelengths < 250 nm); however, very few laser sources have been demonstrated with direct emission in this ...

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Performance Analysis on a Dual External Cavity Tunable Laser ECTL Source

Performance Analysis on a Dual External Cavity Tunable Laser ECTL Source

... based tunable laser structures have been proposed and tested in the literature using different structures [2] ...conductor laser in which the external cavity is formed by a moving MEMS mirror but ...

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Broadly tunable femtosecond Tm:Lu2O3 ceramic laser operating around 2070 nm

Broadly tunable femtosecond Tm:Lu2O3 ceramic laser operating around 2070 nm

... efficient laser operation under the quasi-three-level condition, broad tunability and further ultrashort-pulse generation ...broadly tunable (~1930-2150 nm) laser operation was demonstrated from Tm ...

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Wavelength calibration of Brewer spectrophotometer using a tunable pulsed laser and implications to the Brewer ozone retrieval

Wavelength calibration of Brewer spectrophotometer using a tunable pulsed laser and implications to the Brewer ozone retrieval

... coupled laser beam is measured using the seven slits (slit #1 is used to obtain the dark signal ...the tunable laser is used as a source of spectral lines covering the range from 290 to 360 nm on a ...

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Nine channel wavelength tunable single mode laser array based on slots

Nine channel wavelength tunable single mode laser array based on slots

... mode laser arrays are another option to produce a tunable laser, where a set of individual single mode lasers are monolithically fabricated on one chip and each one can be tuned over a limited range ...

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Micro-joule cavity-dumped wavelength-tunable semiconductor disk laser

Micro-joule cavity-dumped wavelength-tunable semiconductor disk laser

... The combination of a surface-emitting semi- conductor gain element and a bulk external optical cavity has enabled SDLs to produce (multi)-Watt- level single-transverse-mode operation with fun- damental emission ...

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Control of laser light by a plasma immersed in a tunable strong magnetic field

Control of laser light by a plasma immersed in a tunable strong magnetic field

... CP laser light and an underdense plasma with a longitudinal magnetic ...ultrashort laser pulse can propagate with a nearly constant intensity for a distance many times longer than the Rayleigh ...

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Characterization of single mode laser and tunable laser array based on etched high order surface gratings

Characterization of single mode laser and tunable laser array based on etched high order surface gratings

... should be spaced close to each other, thus localized heating impact w ill be higher. In the present array, our devices are very far apart (310 nm). W ith the localized heating impact there is an issue w ith therm al ...

157

Mid Infrared Pulsed Laser Lithotripsy with a Tunable Laser Using Difference Frequency Generation

Mid Infrared Pulsed Laser Lithotripsy with a Tunable Laser Using Difference Frequency Generation

... mid-infrared tunable pulsed laser using difference-frequency generation ...mid-infrared laser tunable within a wavelength range of ...the laser to the strong absorption peak of the ...

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Self Q-switched wavelength tunable Erbium-Ytterbium co-doped double clad fiber laser

Self Q-switched wavelength tunable Erbium-Ytterbium co-doped double clad fiber laser

... In this study we successfully demonstrated a self Q- switched tunable Er-Yb double clad fiber laser in the 1.5 micron range using an all fiber ring cavity configuration. A tunable filter is employed ...

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A tunable radiation source by coupling laser-plasma-generated electrons to a periodic structure

A tunable radiation source by coupling laser-plasma-generated electrons to a periodic structure

... Coherent, tunable sources of infrared (IR) and terahertz (THz) radiation are of interest to many areas of ...intense laser pulses with gas targets ...or laser-plasma accelera- tion ...

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An experimental investigation of tunable laser diodes based on multiple etched slots

An experimental investigation of tunable laser diodes based on multiple etched slots

... Figure 1.1 a shows an idealised tunable laser diode where the optical power is dependent only on the laser current and the wavelength is dependent only on the tuning current, b shows the[r] ...

221

Development of nanoengineered thulium doped fiber laser with low threshold pump power and tunable operating wavelength

Development of nanoengineered thulium doped fiber laser with low threshold pump power and tunable operating wavelength

... The laser employs a linear configuration with a tunable grating to generate laser with a maximum slope efficiency of ...the laser was achieved at the lowest 1552 nm pump power threshold of 693 ...

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Characterizing a Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for measurements of atmospheric ammonia

Characterizing a Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for measurements of atmospheric ammonia

... Cascade Tunable Infrared Laser Differen- tial Absorption Spectrometer (QC-TILDAS, Aerodyne Re- search, ...a Tunable Diode Laser Absorption Spectrometer (TDLAS, model TGA-100, Campbell ...

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

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

... the laser pumping at 10 Hz to 100 Hz by increasing step by step of the frequency by 5 ...wavelength laser with multiple wavelength up to 67 wavelengths at all of ...

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Strong, tunable terahertz emission by two-color picosecond laser irradiation

Strong, tunable terahertz emission by two-color picosecond laser irradiation

... short laser dura- tion, the net current at a given position can be considered to be formed instantly since the laser duration is much shorter than the THz ...

5

Characterization, Simulation and Optimization of Surface Etched Slotted Tunable Laser Diodes

Characterization, Simulation and Optimization of Surface Etched Slotted Tunable Laser Diodes

... The black lines on the tuning map in Figure 4.9 are indicative of the tuning cur- rents, where the dashed black line show the jumps in current. Figure 4.11 shows the wavelength, section currents and SMSR for the slotted ...

227

Wavelength-tunable colloidal quantum dot laser on ultra-thin flexible glass

Wavelength-tunable colloidal quantum dot laser on ultra-thin flexible glass

... Knowing the displacement applied from the micrometre screw, the radius of curvature is calculated for each measurement using Eq. 6. Finally, using those values of radii of curvature, the grating period is deduced with ...

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Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

Control of emitted light polarization in a 1310 nm dilute nitride spin-vertical cavity surface emitting laser subject to circularly polarized optical injection

... pump laser driven by a 1 A CW current source was used to optically pump the spin-VCSEL ...cavity tunable lasers (Master Laser, ML) and amplified using a semiconductor optical amplifier (SOA), is also ...

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Photoelectric Properties of InAs/GaAs Quantum Dot Photoconductive Antenna Wafers

Photoelectric Properties of InAs/GaAs Quantum Dot Photoconductive Antenna Wafers

... T HE generation of broadband terahertz (THz) radiation, which is strongly desired for spectroscopic, imaging and security applications, particularly in a form of compact and easily transportable devices, is a major task ...

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