• No results found

Raman laser

Monolithic diamond Raman laser

Monolithic diamond Raman laser

... diamond Raman laser is ...diamond Raman laser operating in a plane-plane ...Q-switched laser at 532nm (16μJ pulse energy; ...<1.5), laser action was observed at the first, ...

5

Pulsed KGd(WO4)2 raman laser : towards emission linewidth narrowing

Pulsed KGd(WO4)2 raman laser : towards emission linewidth narrowing

... fundamental laser cavity moves the emission peak towards longer wavelengths, as shown in Figure ...the laser emission wavelength away from the Nd:YLF gain ...the Raman laser threshold of 35 W ...

8

Ultrafast second-stokes diamond raman laser

Ultrafast second-stokes diamond raman laser

... femtosecond laser pulses [6] and can reach a wide range of ...Stimulated Raman scattering (SRS) is an alternative nonlinear optical process that can shift the wavelength of a conventional laser to ...

7

1.4 µm continuous-wave diamond Raman laser

1.4 µm continuous-wave diamond Raman laser

... the Raman laser from 1373 to 1415 ...the Raman laser tuning curve was discontinuous over the corresponding ...Cr:YAG laser operating in the 1400nm region [26] and was ascribed to ...

7

Two-color, two-photon imaging at long excitation wavelengths using a diamond Raman laser

Two-color, two-photon imaging at long excitation wavelengths using a diamond Raman laser

... synchronously-pumped Raman laser is shown in ...pump laser (Coherent Chameleon Ultra II) generated 200 fs pulses at 840 nm with a pulse repetition frequency of 80 ...

13

1.6 W continuous-wave Raman laser using low-loss synthetic diamond

1.6 W continuous-wave Raman laser using low-loss synthetic diamond

... the Raman laser. In contrast, for the laser described here, a lower loss diamond sample enables the use of a 4-mirror resonator where the laser mode radii in the conventional and Raman ...

7

A quasi-continuous superradiant Raman laser with < 1 intracavity photon

A quasi-continuous superradiant Raman laser with < 1 intracavity photon

... the laser. At the other extreme, the bad-cavity, or superradiant, laser presented here operates in a regime where the atomic coherence decay rate ⊥ is much less than the cavity power decay rate ...the ...

10

Intracavity Raman conversion of a red semiconductor disk laser using diamond

Intracavity Raman conversion of a red semiconductor disk laser using diamond

... of Raman threshold and overall ...effective Raman gain of an intracavity Raman laser can be enhanced by inserting intracavity etalons [30], albeit with the detrimental effect of increasing the ...

9

InGaAs-QW VECSEL emitting >1300nm via intracavity Raman conversion

InGaAs-QW VECSEL emitting >1300nm via intracavity Raman conversion

... The Raman laser emission was tunable from 1295-1340 nm, limited by the free spectral range of the birefringent ...during Raman conversion. At the maximum Raman laser output power, the ...

7

Cascaded crystalline Raman lasers for extended wavelength coverage : continuous-wave, third-Stokes operation

Cascaded crystalline Raman lasers for extended wavelength coverage : continuous-wave, third-Stokes operation

... high-power laser sources with narrow emission, tunable within the water transmission window around ...suitable laser gain media are not available, operation in this spectral region is often achieved via ...

8

XPS, AES AND LASER RAMAN SPECTROSCOPY: A FINGERPRINT FOR A MATERIALS SURFACE CHARACTERISATION

XPS, AES AND LASER RAMAN SPECTROSCOPY: A FINGERPRINT FOR A MATERIALS SURFACE CHARACTERISATION

... the Raman effect is generated by the use of a concentrated beam of light, it is possible to use an optical microscope to focus the beam down to a small spot size, and the wavelength of the light used to impact the ...

20

Ultra-pure, water-dispersed Au nanoparticles produced by femtosecond laser ablation and fragmentation

Ultra-pure, water-dispersed Au nanoparticles produced by femtosecond laser ablation and fragmentation

... femtosecond laser (Amplitude Systems [Pessac, France], 1025 nm, 480 fs, 500 µ J, 1–5 kHz) was focused with the help of a 750 mm lens onto the target surface to provide the ablation of ...the laser ablation, ...

11

Raman investigation of laser-induced structural defects of graphite oxide films

Raman investigation of laser-induced structural defects of graphite oxide films

... The laser irradiation was monitored in-situ using a Joule- meter for the laser pulse energy control, an ion collector (IC) connected in time-of-flight configuration to a fast oscilloscope and a mass ...

5

Non-Destructive Determination of Magnetic Audio Tape Degradation for Various Tape Chemistries Using Spectroscopy and Chemometrics

Non-Destructive Determination of Magnetic Audio Tape Degradation for Various Tape Chemistries Using Spectroscopy and Chemometrics

... Via, “The structure of surface rhenium oxide on alumina from laser raman spectroscopy and x-ray. absorption near-edge spectroscopy,” J[r] ...

155

Standoff Raman Spectroscopy of Explosive Nitrates Using 785 nm Laser

Standoff Raman Spectroscopy of Explosive Nitrates Using 785 nm Laser

... nm laser was used close to the ...second laser will not be required with a better optical design of the input light coupling device or with a higher power lasers which are available ...nm laser on ...

5

FTIR AND LASER RAMAN SPECTRAL ANALYSIS OF CRYSTALLINE DL–VALINIUM DIHYDROGEN PHOSPHATE

FTIR AND LASER RAMAN SPECTRAL ANALYSIS OF CRYSTALLINE DL–VALINIUM DIHYDROGEN PHOSPHATE

... and Laser Raman spectroscopy. From the infrared and Raman spectral measurements, the presence of various functional groups and modes of their vibrations were identified and ...

9

Sub Doppler laser cooling of 40K with Raman gray molasses on the D2 line

Sub Doppler laser cooling of 40K with Raman gray molasses on the D2 line

... Gray molasses is another powerful method for sub-Doppler laser cooling to high densities and low temperatures [11, 12], and it relies on the presence of bright and dark states. A spatially-varying light shift of ...

11

Sub-Doppler laser cooling of 40K with Raman gray molasses on the D2 line

Sub-Doppler laser cooling of 40K with Raman gray molasses on the D2 line

... To quantitatively model the cooling effect in our experimental setup, we have performed a three-dimensional numerical simulation using the same semi-classical Monte-Carlo wavefunction method detailed in [ 22 ] . As in ...

7

The laser Raman identity of gibbsite pseudomorphous after crocoite from Dundas, Tasmania

The laser Raman identity of gibbsite pseudomorphous after crocoite from Dundas, Tasmania

... using laser Raman spectroscopy, employing instrumental conditions given in Cooney et ...The Raman spectra of fragments of the white encrustations and of different areas of the crystal walls were ...

5

Show all 7375 documents...

Related subjects