[PDF] Top 20 A further look at waveguide lasers
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A further look at waveguide lasers
... a waveguide laser is presented which goes beyond the usual Maxwell–Bloch (MB) equations in that it takes fully into account the phase of the matter quantum field that describes the atomic ... See full document
6
Silver-based surface plasmon waveguide for terahertz quantum cascade lasers
... Several further areas for investigation of Ag waveguides have been ...metal waveguide than the surface plasmon waveguide, and need to be investigated especially for the devices operating in CW ...and ... See full document
14
Dielectric solid state planar waveguide lasers: a review
... for lasers without quantum yield enhancement through excited-state energy transfer processes, requires κ = 19, that is the optimum output coupling needs to be this many times larger than the cavity ...planar ... See full document
13
An experimental comparison of nonlinear and parabolic tapered waveguide lasers and a demonstration of broad stripe diode pumping
... optimized further if the focusing system was devel- oped further and broader waveguides were ...tapered waveguide of maximum width 175 m, taper length ...broad-stripe waveguide of length 18 mm ... See full document
5
High average power planar waveguide lasers
... Chapter 1 Introduction In a side-pumped laser system (Fig. 1.5.b), the pump beam is incident on the edge of the waveguide perpendicular to the laser beam. Side pumping is favoured in some cases, especially in ... See full document
173
Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy
... a roughly circular pump beam profile, as shown in Fig. 9, and then using a cylindrical-lens telescope before the launch objec- tive to produce an asymmetric beam focus better matched to the expected mode profile of the ... See full document
9
Ultrafast high repetition rate waveguide lasers
... mode-locked waveguide lasers has been demonstrated by several research groups, delivering ultrashort pulses at multi-GHz repetition rates based on a variety of fabrication techniques, mode-locking elements, ... See full document
10
Double clad structure and proximity coupling for diode bar pumped planar waveguide lasers
... fiber lasers in order to increase energy storage ...for further increases in power could push double-clad fiber lasers into the high core-to-cladding ratio ... See full document
7
Nd:Ta2O5 rib waveguide lasers
... behaviour further and to obtain an independent estimate of the waveguide losses, the pump power threshold was measured as a function of output mirror reflectivity for four mirror reflectivities between 40% ... See full document
12
Photonic waveguide engineering using pulsed lasers – A novel approach for non-clean room fabrication!
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy ... See full document
5
Combining Different in-Plane Photonic Wire Lasers and Coupling the Resulting Field into a Single-Mode Waveguide
... is further exploited is the effects of the relative positions and amplitudes of the lasers on the coupling ...the lasers at the far right and left of the optimized combiner with respect to the ... See full document
13
Yb:tungstate waveguide lasers
... With regard to fabricating channel waveguides using ULI, the process has been optimised in terms of pulse energy, polarisation and writing direction for a given laser writing system. However, there are many additional ... See full document
181
Tapered waveguide lasers
... the waveguide geometry allows the use of a hybrid unstable/stable resonator to improve the non-guided beam quality of a planar waveguide, with a recent non-monolithic device shown to operate successfully ... See full document
224
Investigation and Application of Microscale Semiconductor Lasers and Cavities
... Such lasers allow for the internal laser field to interact with external materials or objects, and can be used in a variety of applications from near-field sensing of chemical and biological macromolecules, to ... See full document
156
‘Look No Further than the Exterior’: Corruption and Disaster in New Zealand?
... The great drivers of these troubles are cost reduction and profit maximisation, but the great enabler is the lax regulatory environment. Building Codes were changed in the 1990s, motivated by an unquestioned faith in the ... See full document
15
Effect of Rare Earth Doping on Free Volume Nanostructure of Ga Codoped Glassy (As/Sb)2Se3
... Free-Volume Nanostructurization Under Sb-Modification One of the parasitic drawbacks of Ga-codoping nanos- tructurization concerns in increased crystallization ability of Ga-contained ChG under further RE doping, ... See full document
7
Monolithic Ceramic Waveguide Filter with Wide Spurious Free Bandwidth
... Waveguide resonator mode frequencies are a function of its physical dimensions i.e. length, width and height. The common approach to increase the gap between fundamental frequency ( and spurious resonances is to ... See full document
5
Modelling of high power continuous wave Tm:YAG side pumped double clad waveguide lasers
... He was with Columbia University until 1986, in various positions such as a Post-Doctoral Researcher in the Physics Department, a Research Scientist in the Electrical Engineering and Applied Science Depart- ment, and an ... See full document
9
A Look at the Struggle of Zimbabwean Married Women Regarding Safe Sex
... The prevalence of HIV and AIDS in sub-Saharan Africa calls for an urgent resolve to equip every member of society, especially the weaker members of society: women, the disabled, and children. Women constitute the biggest ... See full document
29
Integration of semiconductor nanowire lasers with polymeric waveguide devices on a mechanically flexible substrate
... NW lasers with SU-8 waveguides in both lateral and facet coupling configurations (see Figures ...NW lasers’ location) using the EDM system in the ...NW lasers in Figures 2b and 2c, ... See full document
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