A low-threshold CnUSAF laser modelocked with an
Development of all solid state modelocked laser sources at 1 55 μM
... Cr"^^:YAG laser. It begins with details of standard SML laser cavities and a simple model is introduced to simulate the Keir-lens effect in a ...self-modelocked laser approach with 4-mirror ...
302
Development of nanoengineered thulium doped fiber laser with low threshold pump power and tunable operating wavelength
... lowest threshold pump power for ...the laser could be continuously tuned from 1890 nm to 1910 ...the laser varies from ...the laser could be extended to a wider range should another tunable ...
9
Fast Swept Wavelength, Low Threshold Current, Continuous Wave External Cavity Quantum Cascade Laser
... a low threshold-current and fast wavelength-tuning external cavity quantum cascade laser (EC-QCL) using a scanning galvanometer in the Littman-Metcalf cavity ...(CW) threshold current of the ...
5
Fibre compatible modelocked lasers at 1 5μm
... upper laser leveF^l. The laser transition terminates on the ^Ii5/2 ground state of the erbium ion, and so the erbium-doped fibre laser is essentially a three-level ...the low intrinsic loss in ...
214
Modelocked vibronic lasers for the 700nm 1000nm region
... the threshold for modelocking was achieved. If this self-starting threshold could be reached under normal operating conditions, it was expected that the modelocked operation would self-start and the ...
241
Above-Threshold Ionisation with Two-Colour Laser Fields
... pulse. The pulse can therefore be made long enough to have the majority of asymmetry contribution come from the interaction the two carrier waves of different frequency, during the plateau of constant amplitude, which ...
38
Compact, low threshold femtosecond lasers
... Compact Low Threshold Femtosecond Lasers Chapter 4: Femtosecond C rU SA F lasers with highpi a^m etric resonators The cavity Figure ...the laser wavelength to be tuned to the absorption edge of the ...
248
Involution of Threshold Retinopathy of Prematurity after Diode Laser Photocoagulation
... of laser-treated threshold retinopathy of prematurity required more than 2 weeks in more than half of treated ...or laser, a significant number of threshold eyes still progress to an ...
5
ND:YAG Laser Pulses Ablation Threshold of Stainless Steel 304
... relatively low energy with limited structural and physical changes, such as annealing of semiconductors, and applications that call for high energy transforms for significant structural changes over a large ...
12
Depth dependence and keyhole stability at threshold, for different laser welding regimes
... different laser welding ...the laser operating parameters, several characteristic regimes of laser welding can be ...At low welding speeds, the aspect ratio of the keyhole can be rather large ...
23
Low threshold polariton lasing in a highly disordered conjugated polymer
... The laser beam was a circular Gaussian spot of 175 μm ...excitation laser beam. The absorbed threshold of polariton lasing is estimated from the incident lasing threshold by considering the ...
6
Ultrahigh-Q microtoroid on-chip resonators for low threshold microlasers
... Chapter 7 Summary In this thesis, ultrahigh-Q microtoroid on-chip resonators were investigated as low-loss laser cavities. First, to gain a better understanding of the cavity itself, basic properties of the ...
157
Design and testing of low intensity laser biostimulator
... cavity laser diode is mainly linearly polarized, parallel to the laser ...the laser junction is also ...the threshold point, the ratio is considerably lower as spontaneous emission becomes ...
10
Optimisation of a colliding pulse modelocked dye laser
... Dye Laser with a Prism System for Quadratic Phase Compensation behaviour and a comprehensive theoretical analysis of the system will be rather more ...dye laser taking into account the above factors, ...
366
Electric field sampling of modelocked pulses from a quantum cascade laser
... reference laser repetition rate through tuning the cavity length of that laser in order to maintain the integer relation between the reference laser repetition frequency and the cavity modulation ...
9
Low-Level Laser Therapy
... the low absorption by human skin, it is hypothesized that the laser light can penetrate deeply into the tissues where it has a photobiostimulative ...
7
Low-Level Laser Acupuncture
... 3 Low-level lasers are still considered investigational in the United ...some low-level lasers for limited applications. It has been shown that low-level lasers can be effective, but their optimal ...
6
Low threshold support for families with dementia in Germany
... providing low-threshold support services in the two project regions will be invited to participate in the ...nine low-threshold support services, according to local ...33 ...
9
Learning Sparse Low-Threshold Linear Classifiers
... small threshold (for instance, θ = 1 2 ) in the case of disjunctions, the Winnow analysis clarifies that this is a much simpler class, with a resulting smaller mistake bound and sample complexity, scaling with k ...
30
A Regularity Lemma and Low-Weight Approximators for Low-Degree Polynomial Threshold Functions
... This point of view has been useful in the d = 1 case for constructing pseudorandom generators [6], low-weight approximators [33, 10], and other results for LTFs [30, 24]. 1.1 Our results A regularity lemma for ...
27