Low-Resolution Laser Spectroscopy of the Trigonal
Ultra-high resolution laser spectroscopy of rare earth doped solids
... field. In future investigations it is hoped that the non-optical Bloch equation behaviour can be fully characterised, using these new techniques, for samples where the mechanism of the coherence relaxation is well ...
171
CW Dye Laser Spectrometer for Ultrahigh Resolution Spectroscopy: Design and Performance
... ultrahigh resolution cw-dye laser spectrometer ...The laser frequency selection and tuning is accomplished using Mach-Zehnder interferometer of free spectral range ...a resolution of about ±1 ...
10
High resolution laser spectroscopy of trivalent holmium ions in calcium fluoride crystals
... 1.2 Homogeneous and Inhomogeneous Broadening In addition to the problem of separating out the spectra of various types of impurity centres, a different problem in resolving overlapping spectra arises when impurities of ...
250
PHYSICAL REVIEW C 103, (2021) High-resolution laser spectroscopy of Al
... 13 Institut de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, Université Paris-Saclay, 91406 Orsay, France 14 School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, ...
10
A novel laser diode wavelength stabilisation technique for use in high resolution spectroscopy
... clusion Laser diode series resistance can be calculated from the I-V characteristics of the laser ...The laser diode is operated in DC conditions and the voltage drop across the laser diode ...
193
Journal of Applied and Laser Spectroscopy
... surface of the object to a depth of a few tens of microns, depending on the element under analysis; it is not able to detect the elements at low concentration (typical Limit of Detection around 100 parts per ...
5
High-resolution ultrasonic spectroscopy
... change of particle size) during reactions (Dwyer et al., 2005). In contrast to traditional spectroscopic techniques, HR-US does not require optical transparency or optical markers and is applicable for monitoring of ...
11
A 3ps Resolution Time-to-digital Converter in Low-cost FPGA for Laser Rangefinder
... Abstract— This paper concerns a new and accurate low cost time-to-digital converter (TDC) for laser rangefinder measurements systems. The proposed TDC system is based on a digital technique, which can be ...
5
A tunable low energy photon source for high resolution angle resolved photoemission spectroscopy
... tunable low-energy photon source consisting of a laser-driven xenon plasma lamp coupled to a Czerny-Turner ...photoemission spectroscopy data using the light source and compare its performance to a ...
6
Applications of laser, optical and paramagnetic spectroscopy
... extremely low dark current (2-10 counts per second at ...krypton-ion laser is used as the excitation source, providing excitation lines across the near UV- visible-near IR from approximately 350 nm to 800 ...
239
Novel laser sources for metrology and spectroscopy
... laser, generating up to 450 mW of average power at a repetition rate of 418 MHz with 58-fs pulses. This average power is four times higher than any previously published diode-pumped Ti:Sapphire laser. The ...
130
Atomic laser spectroscopy in the UV and visible
... t low pow ers b u t a t h ig h e r pow ers th e r e s u l t s f o r th e t r i p l e M ic h e ls o n s ta n d in g wave l a s e r te n d a s y m p t o t ic a l l y t o th o s e o b ta in e d w ith th e r in g l a ...
285
Laser-induced breakdown spectroscopy in Asia
... The surface-assisted LIBS configuration has been demonstrated that no significant matrix effect was observed for solutions prepared with powders. Ronger Zheng group [144] introduced a filter paper as solid substrate to ...
38
Ultra-Fast Laser Spectroscopy: A Review
... This analyses the time difference between the excitation of the sample molecule and the release of energy as another photon. Repeating this process many times will give a decay profile pulsed lasers or LEDs can be used ...
5
Micron scale characterization of laser processed silicon via low temperature micro photoluminescence spectroscopy
... the resolution limit of a PL image, area-averaged PL counts — in which all PL emissions from the localized features and other regions are aggregated — are used and linked to the ...
181
Biophysical studies of repeats of marsupial prion protein : application of low-resolution spectroscopy methods to low-complexity peptide sequences
... The results of several methods (FTIR, fluorescence, FRET, ESI MS, CD, ED, UV Nis absorption spectroscopy) have been integrated to provide information on the conform[r] ...
223
Locating the Proton in Nicotinamide Protomers via Low-Resolution UV Action Spectroscopy of Electrosprayed Solutions
... two-photon laser techniques, 65-67 but this is the first study to illustrate that such structural isomers can be identified via the application of table-top low-resolution UV laser ...
59
Spectroscopy and Imaging by Laser Excited Terahertz Waves
... Figure 3 shows the schematic diagram of emission and detection of THz waves by femtosecond laser pulses. The optical pulses ( ∼ 800 nm wavelength, ∼ 100 fs timewidth, and ∼ 100 MHz repetition rate) are delivered ...
7
Precision laser spectroscopy experiments on antiprotonic helium
... single-photon laser resonances by a factor, ⌫ p 8k B T log 2/Mc 2 ...spectral resolution limited [29, 30] the precision of determining the resonance centroid to around 10 −7 –10 −8 ...two-photon ...
7
High-resolution continuous-flow analysis setup for water isotopic measurement from ice cores using laser spectroscopy
... using laser spectrometry requires that the liquid sample stream is converted to vapor and compared to water standards of known isotopic composition to achieve ...
15