Results 111 to 120 of about 2,414 (173)

Quantum Electronics [PDF]

, 1982
Contains reports on eleven research projects.Air Force Rome Air Development Center (in collaboration with C.C. Leiby Jr)U.S. Air Force - Rome Air Development Center (Contract F19628-80-C-0077)National Science Foundation (Grant PHY79-09739)Joint Services ...
Davis, James L., Ezekiel, Shaoul, Fonstad, Clifton G., Haus, Hermann A., Hellwarth, R. W., Hemmer, Philip R., Melngailis, John, Meyer, Raymond E., Peuse, Bruce W., Ponikvar, Donald R., Prentiss, Mara G., Sanders, Glen A., Tench, Robert E., Thomas, John E.   +13 more
core  

Thermoelectric properties of asymmetrical sandwich structure metal-lithium niobate-metal [PDF]

, 2007
Based on the model with internal EMF source the approximation of experimental dependences of thermostimulated EDS in doped crystal of lithium niobate with a pair of electrodes of different metals from crystal sizes, its temperature, dopant concentration ...
Ivanov, V. I., Karpets, Yu. M., Klimentyev, S. V., Zdorovtsev, G. G.   +3 more
core  

Can the Bruckner test be used as a rapid screening test to detect significant refractive errors in children?

Indian Journal of Ophthalmology, 2007
Purpose: To assess the suitability of Brückner test as a screening test to detect significant refractive errors in children. Materials and Methods: A pediatric ophthalmologist prospectively observed the size and location of pupillary crescent ...
Kothari Mihir
doaj  

What is the best alternative to the use of cycloplegic in the objective refraction [PDF]

, 2008
Comunicação ...
González-Méijome, José Manuel, Jorge, Jorge, Queirós, A.   +2 more
core  

High-dynamic-range imaging optical detectors [PDF]

, 2002
Imaging spectrometers allowing spatially resolved targets to be spectrally discriminated are valuable for remote sensing and defense applications. The drawback of such instruments is the need to quickly process very large amounts of data.
Coutinho, R.C., Griffiths, H.D., Selviah, D.R.   +2 more
core  

Image Analysis of Eccentric Photorefraction

Acta Polytechnica, 2004
This article deals with image and data analysis of the recorded video-sequences of strabistic infants. It describes a unique noninvasive measuring system based on two measuring methods (position of I.
J. Dušek, M. Dostálek
doaj  

Is Noncycloplegic Photorefraction Applicable for Screening Refractive Amblyopia Risk Factors?

Journal of Ophthalmic & Vision Research, 2012
Purpose: To compare the accuracy of noncycloplegic photorefraction (NCP) with that of cycloplegic refraction (CR) for detecting refractive amblyopia risk factors (RARFs) and to determine cutoff points.
Zhale Rajavi, Hiva Parsafar, Alireza Ramezani, Mehdi Yaseri   +3 more
doaj  

How Do Most Young Moderate Hyperopes Avoid Strabismus? [PDF]

Invest Ophthalmol Vis Sci, 2023
Neupane S, Sreenivasan V, Wu Y, Mestre C, Connolly K, Lyon DW, Candy TR.   +6 more
europepmc   +1 more source

Wide-Spectrum Security of Quantum Key Distribution

PRX Quantum
Implementations of quantum key distribution (QKD) need vulnerability assessment against loopholes in their optical scheme. Most of the optical attacks involve injecting or receiving extraneous light via the communication channel.
Hao Tan, Mikhail Petrov, Weiyang Zhang, Liying Han, Sheng-Kai Liao, Vadim Makarov, Feihu Xu, Jian-Wei Pan   +7 more
doaj   +1 more source

Accuracy of PlusOptix A09 distance refraction in pediatric myopia and hyperopia [PDF]

, 2016

core   +1 more source