laser-beam spot-size
Ellipsoidal plasma mirror focusing of high power laser pulses to ultra-high intensities
... focusing laser beam can be made to focus with an even smaller ...focal spot occurs from one focal position to the other, satisfies the need to have off-axis focusing to ensure that the target is not ...
20
A compact micro-bolometer array for mid-infrared laser beam alignment, diagnostics and spot-size measurement
... a beam profile, whilst simple and low cost, are somewhat crude and ...a laser burn pattern has the disadvantage of only being practical for larger spot sizes, not sub-millimetre beam sizes, ...
17
The Determination of Laser Spot Size of an Optical Tweezers by Stuck Bead Method
... infrared laser beam with 915 nm wavelength was emitted from laser diode and coupled through fiber ...The laser beam passed through beam expander and ...The laser ...
5
Bremsstrahlung emission profile from intense laser-solid interactions as a function of laser focal spot size
... incident laser pulse drives an electron beam with some initial divergence into the ...the laser focal spot profile [ 13 ] ...electron beam, higher current density increases the strength ...
11
Spot size dependence of laser accelerated protons in thin multi-ion foils
... polarized laser beam irradiates an ultra-thin foil and accelerates nearly the whole foil by the radiation ...the laser ponderomotive force and the electric force due to the ions, and the protons in ...
16
Comparison of the determination of a low-concentration active ingredient in pharmaceutical tablets by backscatter and transmission raman spectrometry
... diode laser was employed, which has a wavelength of 785 nm and was operated at 400 mW at the ...a laser beam optically expanded to give a 3 mm spot ...a laser spot that had been ...
25
Beam spot of Q-switched ND: YAG laser based on raster graphic
... of beam produced by a Q-switched Nd:YAG laser was ...the beam spots were made via a scanner and analyze using raster graphic or bitmap from a Matrox Inspector version ...the beam spot ...
5
Measurement of the matched spot size in a capillary discharge waveguide with a collimated laser
... the laser modes at the exit of the ...the spot size oscillation directly, it will introduce errors in the spot size measurement when fitting the intensity profile of the laser ...
8
Bremsstrahlung emission profile from intense laser-solid interactions as a function of laser focal spot size
... incident laser pulse drives an electron beam with some initial divergence into the ...the laser focal spot pro fi le [ 13 ] ...electron beam, higher current density increases the ...
9
Escaping electrons from intense laser-solid interactions as a function of laser spot size
... 0.85mm thick iron filtering layers, they lose energy. Therefore, the deeper layers will only detect the higher energy electrons. The response function of each layer of image plate, as calculated by Rusby et al. [9], was ...
5
UNCOUPLING WHICH WAY INFORMATION FROM INTERFERENCE: A NOVEL INTERFERENCE EXPERIMENT USING A SUPER FOCUSED LASER BEAM
... super-focused laser beam that can be focused to a tiny sub-wavelength spot size [23-32] and which is then launched into only one of the two slits of the two-slit ...
51
Enhanced laser-energy coupling to dense plasmas driven by recirculating electron currents
... with laser intensity when varying the pulse ...focal spot size for a fi xed laser energy, which is consistent with the picture emerging from investigations of secondary particle and radiation ...
9
3D laser nano printing on fibre paves the way for super focusing of multimode laser radiation
... high-power laser diodes suffer from inefficient beam focusing, leading to a focal spot 10–100 times greater than the diffraction ...for laser diodes, where the exploitation of ...
9
Method for Measurement of Multi Degrees of Freedom Motion Parameters Based on Polydimethylsiloxane Cross Coupling Diffraction Gratings
... The laser beam that travels pass the cross-coupling optical grating would be diffracted into a two-dimensional spot ...gap size of the spot-array were functions of the movement of the ...
8
Acoustic Emission Analysis of Dissimilar Laser welds of Aluminium and Polyamide 6 6
... Additional to the influence of the microstructure, the distance of the sensors to the sound source plays a significant rule. With rising distance to the sensor, the signal deceases caused by the damping effect of the ...
6
NEW MODIFIED ELMORE DELAY MODEL FOR RESISTANCE CAPACITANCE CONDUCTANCE (RCG) INTERCONNECT NETWORK SCHEME
... Rapidly growing requirements to modern computational media encourage development of new intelligent methods of information transfer and processing. Rigid requirements to real-time information processing systems force ...
10
Application of femtosecond laser induced nanostructures in optical memory
... the beam) was focused slightly inside the sample, we observed a circular spot of blue lumines- cence via the observation of the optical microscope and CCD camera at the ...the laser beam’s path to ...
11
Design Of Automatic Tool Changer For Welding Gun Tip
... 2.10 MIG Gun Parts 11 2.11 TIG Welding Torch Parts 12 2.12 Spot Welding Parts 12 2.13 A Man Manually Using SMAW Welding 13 2.14 Spot Welding Gun That Attached To An Arm Robot 14 2.15 Welding Gun ...
24
Treatment of Pyogenic Granuloma in Children With the Flashlamp-pumped Pulsed Dye Laser
... growing, firm, bright-red papule that is prone to bleeding or ulceration, and is most commonly local- ized to the head and neck. Traditional treatment methods have included surgical excision with linear closure, shave ...
5
Vascular Treatment Guidelines
... o Navigation (Xeo systems) only provides the range of treatment parameters on the screen. The operator is required to choose the correct parameters. Consult operator manual for Navigation information. Laser ...
13