Results 111 to 120 of about 8,247 (230)
An economist looks at ecosystem services [PDF]
, 2015 This chapter lists ecosystem services and discusses what techniques can be applied in order to assess their economic value. The last five decades witnessed enormous progress in developing valuation techniques applied to non-market goods (i.e.
Żylicz, Tomasz
core
, 2002 We have detected, by using stimulated emission, an Atomic Parity Violation (APV) in the form of a chiral optical gain of a cesium vapor on the 7S - 6P$_{3/2}$ transition,consecutive to linearly polarized 6S-7S excitation.
A. V. Papoyan +18 more
core +1 more source
Modification of the Optical Polarization in High Al-Content AlGaN [PDF]
, 2016 相比于传统紫外光源（如汞灯和氙灯），AlGaN半导体紫外光电子器件具有无汞污染、波长可调、体积小、集成性好、耐高温、抗辐射以及能耗低、寿命长等优点，在工业、农业、国防和医疗卫生等领域都有着广阔的应用前景和巨大的市场需求。然而，由于高Al组分AlGaN材料中存在诸多问题，例如外延生长困难、p型掺杂率低、发光偏振特性独特等等，导致深紫外波段器件的发光效率普遍较低，制约了深紫外发光器件的发展与应用。本论文采用第一性原理的计算模拟方法，围绕AlGaN材料中的光学偏振特性及其调控开展了系统的研究工作 ...
季桂林
core
Tuning Metamaterials for Applications at DUV Wavelengths
International Journal of Optics, 2012 The unique properties of metamaterials, namely, their negative refractive index, permittivity, or permeability, have gained much recent attention. Research into these materials has led to the realization of a host of applications that may be useful to ...
Andrew Estroff, Bruce W. Smith
doaj +1 more source
Productivity Differences [PDF]
Many technologies used by the LDCs are developed in the OECD economies, and as such, are used to make optimal use of the skills of these richer countries' workforces.
Acemoglu, Daron, Zilibotti, Fabrizio
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42.7 Gbit/s electro-optic modulator in silicon technology [PDF]
, 2011 Alloatti, L +16 more
core +1 more source
Exploring the Replacement of Toxic Mercury UV Lamp using AlGaN Tunnel Junction in 254 nm-Band DUV LED [PDF]
, 2022 Muhammad Nawaz Sharif +6 more
openalex +1 more source