single-mode CW lasers
Generation of periodic surface structures on silica fibre surfaces using 405 nm CW diode lasers
... silica single-mode fibres (SMF) with mode-field diameters from 2 to 3 µm for delivery of UV light fulfil these ...(CW) single-mode diode lasers (375 nm, 395 nm, 405 ...
14
Micromachining with single mode fibre lasers for medical device production
... excellent single mode beam quality provides the desired spot size and laser power ...fibre lasers and will show microwelding results for a selection of materials with pulsed and CW fibre laser ...
170
Feasibility Study of Laser Ablation using Long Pulsed 300W, CW Single Mode Fiber Laser
... of lasers in the industry has brought about a better method for producing these ...pulse lasers that are normally used are extremely expensive and require many pulses to remove the material due to the small ...
115
Monolithic single mode interband cascade lasers with wide wavelength tunability
... 2D mode map of a six-channel BSG device with ...optical mode around ...respectively. Single mode emission wavelengths with side mode suppression ratios (SMSR) above 25 dB are color ...
11
Characterization of single mode laser and tunable laser array based on etched high order surface gratings
... The electro-abso rp tio n (EA) m o d u lato r is a sem iconductor device to control th e laser intensity by applying an electric voltage. The main advantages o f EA m o d u la to r are low voltage o p eratio n, high b an ...
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Holosteric Nd : YAG lasers
... solid-state lasers to produce single-longitudinal-mode operation is now an estab lished ...(holosteric) single-frequency Q- switched ...of single-frequency 1064 nm radiation was ...
202
Cavity-Enhanced Raman Spectroscopy of Natural Gas with Optical Feedback cw-Diode Lasers
... rot cw-diode LD lasing single mode at ...a mode matching lens ML with focus length f = 100 cm at a distance of 50 cm to the center of the cavity, e ff ectively narrowing the beam diameter for ...
7
Single mode interband cascade lasers emitting below 2 8 μm
... semiconductor lasers by three different approaches with reasonable performance 6 : diode lasers based on GaSb using type-I interband-transitions with emission from around 2 to ...cascade lasers ...
5
Coupled-cavity terahertz quantum cascade lasers for single mode operation
... lm-wide single plas- mon ...cavity lasers, ...in CW operation are displayed in ...is single mode but (as expected) at higher currents the emission becomes strongly multimode with a ...
6
Novel mode locking techniques for colour centre lasers
... synchronously mode- locked KCl:TlO(l) and NaCl:OH" colour-centre lasers (see ...colour-centre lasers was assured by using a single CW mode-locked Nd:YAG laser to excite both ...
159
Development of Terahertz Frequency Quantum Cascade Lasers for the Applications as Local Oscillators
... CW mode up to a temperature of 94 K, with a low temperature output power of ...W. Single frequency emission and better thermal management will be considered in the next device ...
13
Powers scaling and nonlinear frequency conversion of single frequency lasers based
... the cw singly-resonant threshold of such OPO devices can be lowered to a point whereby they can be operated in a cw regime without the need for added cavity complexity via pump enhancement or ...
223
High density InAlAs/GaAlAs quantum dots for non-linear optics in microcavities
... deflection mode into rectangular or triangular envelopes with a 10 kHz frequency and a duty cycle ranging from 10 to 20,converted from an electrical signal produced by an ANALOGIC 2000 arbitrary function ...
11
Low divergence single-mode surface-emitting concentric-circular-grating terahertz quantum cascade lasers
... Robust single-mode operation is realized at all bias currents, and the side-mode suppression ratios were as high as ~30 dB, indicating efficient single-mode ...
12
A study of the production and application of nonlinear materials for use in frequency doubled dye lasers
... Such problems as described for the nitrogen pumped laser apply far less to xenon pumped systems, which have pulse lengths of the order of Ips. Early work on this type of laser was done by Hansch, Schawlow and Toschek ...
251
Combining Different in-Plane Photonic Wire Lasers and Coupling the Resulting Field into a Single-Mode Waveguide
... In order to illustrate the main ideas in combining and subsequently coupling light into a single photonic wire waveguide, the epitaxially layered structure shown in Figure 1(a) is employed. It consists of a core ...
13
THE IMPACT OF INFORMATION SYSTEM SUCCESS ON BUSINESS INTELLIGENCE SYSTEM EFFECTIVENESS
... About adaptive CL MIMO for 2 antennas, dynamic switch only happened between rank 1 and rank 2 transmission, whoseselection is based on filtered CQI and RI information and O&M configurable thresholds. CL MIMO has ...
5
Mode locked colour centre lasers and their application
... A semiconductor diode amplifier has also been demonstrated to produce a similar ef fect, in agreement with previous theoretical consider ations, Finally, it would seem from the results[r] ...
265
Investigation of dynamic of unconsolidated materials using two-color digital holography
... Digital holography became properly available since its confirmation was established in 1994 [1]. In few years, a lot of spectacular applications have been demonstrated such as microscopic imaging and phase-contrast ...
7
Electronic and optical SESAM control in Cr⁴⁺:forsterite lasers
... The second SESAM design incorporated a double QW geometry. The small separation allowing quantum tunnelling to be established between the pair of QWs. This effect also facilitates a change in the absorption of the ...
143