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Journal
Physics Uspekhi; ISSN 1063-7869; 
; v. 47(6); p. 630-633
; v. 47(6); p. 630-633
[en] The effect of a coolant on the thermal stability of cooled optical elements is studied. A new stability parameter containing the characteristics of a system for cooling optical elements and of the coolant is proposed. (special issue devoted to the memory of academician a m prokhorov)
Journal
Quantum Electronics (Woodbury, N.Y.); ISSN 1063-7818; ; v. 33(7); p. 655-658
; v. 33(7); p. 655-658
[en] The following is an edited transcript of a recorded discussion session on the topics of “Optical Coherence Tomography” and “Low-Frequency Mechanics”. The discussion, moderated by the authors, took place at the 12"t"h International Workshop on the Mechanics of Hearing held at Cape Sounio, Greece, in June 2014. All participants knew that the session was being recorded. In view of both the spontaneous nature of the discussion and the editing, however, this transcript may not represent the considered or final views of the participants, and may not represent a consensus of experts in the field. The reader is advised to consult additional independent publications
Journal
[en] In this work, it was made similitude between radioactive decay and luminescence decay. An alternative approach related with the radioactive decay law of successive disintegrations from a composite radioactive material to describe the optical stimulated luminescence (OSL) decay curve was introduced. The modified radioactive decay law was applied to find the individual components of the different synthetic and experimental OSL decay curves. The suggested relation was named as 'Active-OSL Approximation'. This work offers an alternative view on the kinetics of OSL decay. (author)
Journal
Journal of Radioanalytical and Nuclear Chemistry; ISSN 0236-5731; ; CODEN JRNCDM; v. 285(2); p. 563-568
; CODEN JRNCDM; v. 285(2); p. 563-568
[en] It is important to understand properties of different materials and the impact they have on devices used in communication networks. This paper is an overview of optical non-linearities in Silicon and Gallium Nitride and how these nonlinearities can be used in the realization of optical ultra-fast devices targeting the next generation integrated optics. Research results related to optical lasing, optical switching, data modulation, optical signal amplification and photo-detection using Gallium Nitride devices based on waveguides are examined. Attention is also paid to hybrid and monolithic integration approaches towards the development of advanced photonic chips. (author)
Journal
Acta Physica Slovaca; ISSN 0323-0465; ; v. 65(2); p. 65-152
; v. 65(2); p. 65-152
[en] This paper introduces a model of Grover’s algorithm suitable for implementation in a linear photonic chip. We compare two known realizations of its main components, two-qubit CZ gates, in order to define optimal chip architecture. The algorithm operation is simulated considering directional coupler imperfection influence on the scheme parameters. We also determined tolerance boundaries for distortions of the coupler dimensions. (paper)
Journal
Physica Scripta (Online); ISSN 1402-4896; ; v. 95(4); [7 p.]
; v. 95(4); [7 p.]
[en] The possibility of the development of a fast, energy-efficient optical correlator based on the optical orientation and reorientation of nuclear spins in atoms is studied. (special issue devoted to the memory of academician a m prokhorov)
Journal
Quantum Electronics (Woodbury, N.Y.); ISSN 1063-7818; ; v. 33(7); p. 628-632
; v. 33(7); p. 628-632
[en] For use in the Optics Laboratory, newly created in the CEADEN, one of the necessary equipment is the Monochromator MDR-23, which was necessary for recovery, modernization (replacing the power supply and control) and computerization by designing a VI (virtual instrument) to control stepper motor through a PC using Lab VIEW 7.1 that allows users to select the address mode, the number of steps and the engine speed and give the initial value of the position and limits the range of the monochromator to start working with it. The principle of operation of the program is done in detail to facilitate understanding of how to operate and use the graphical programming designed and achieve efficient use of equipment. (Author)
Source
Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN), La Habana (Cuba); Instituto de Ciencias y Tecnologia de Materiales (IMRE), La Habana (Cuba); Centro Latioamericano de Fisica (CLAF), La Habana (Cuba); Sociedad Cubana de Fisica (SCF), La Habana (Cuba); Centro de Investigaciones en Optica (CIO), La Habana (Cuba); 1 CD-ROM; ISBN 978-959-7136-91-0; ; Jun 2012; 4 p; 7. International Workshop TECNOLASER 2012; VII Taller Internacional TECNOLASER 2012. III Reunion Internacional Optica, Vida y Patrimonio; La Habana (Cuba); 10-13 Apr 2012; 3. International Meeting Optics, Life and Heritage; VII Taller Internacional TECNOLASER 2012. III Reunion Internacional Optica, Vida y Patrimonio; La Habana (Cuba); 10-13 Apr 2012; Available from Centro de Aplicaciones Tecnologica y Desarrollo Nuclear (CEADEN), La Habana (CU). Email. marta@ceaden.edu.cu; Centro de Gestion de la Informacion y Desarrollo de la Energia (Cubaenergia), La Habana (CU) ,Email. belkis@cubaenergia.cu; 1 refs.; 3 figs.
; Jun 2012; 4 p; 7. International Workshop TECNOLASER 2012; VII Taller Internacional TECNOLASER 2012. III Reunion Internacional Optica, Vida y Patrimonio; La Habana (Cuba); 10-13 Apr 2012; 3. International Meeting Optics, Life and Heritage; VII Taller Internacional TECNOLASER 2012. III Reunion Internacional Optica, Vida y Patrimonio; La Habana (Cuba); 10-13 Apr 2012; Available from Centro de Aplicaciones Tecnologica y Desarrollo Nuclear (CEADEN), La Habana (CU). Email. marta@ceaden.edu.cu; Centro de Gestion de la Informacion y Desarrollo de la Energia (Cubaenergia), La Habana (CU) ,Email. belkis@cubaenergia.cu; 1 refs.; 3 figs.
[en] In the measurement system of interference fringe, the nonorthogonality error is a main error source that influences the precision and accuracy of the measurement system. The detection and elimination of the error has been an important target. A novel method that only uses the cross-zero detection and the counting is proposed to detect and eliminate the nonorthogonality error in real time. This method can be simply realized by means of the digital logic device, because it does not invoke trigonometric functions and inverse trigonometric functions. And it can be widely used in the bidirectional subdivision systems of a Moire fringe and other optical instruments.
Journal
[en] The lifetime of optical components submitted to high laser fluences is decreased under organic contaminated environment. Our previous studies have shown that chemical species out-gassed from materials present in the laser environment of the Ligne d'Integration Laser (LIL) and in the optics packaging (phthalates, silicones, and aromatic compounds) are potential contaminants for optics. In order to avoid the presence of such molecules in the Megajoule Laser (LMJ) environment, a new comprehensive program is started up using a qualified Micro-chamber/Thermal Extractor (M-CTE250 Markes International) for controlled contaminations of optics. The final target is the development of a qualification procedure to determine the compatibility of materials used for the building of the LMJ with the LMJ optics. First results of this program will be presented. (authors)
Journal
Proceedings of SPIE - The International Society for Optical Engineering; ISSN 0277-786X; ; v. 8530; p. 1-8
; v. 8530; p. 1-8
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