Zobrazeno 1 - 10
of 12
pro vyhledávání: '"R. L. Gravel"'
Autor:
R. L. Gravel, A. R. Nelson
Publikováno v:
Applied optics. 20(15)
A technique has been developed for fabricating M x N fiber couplers that use different core-size fibers to improve the interconnection efficiency of multiterminal optical fiber systems. Experimental results are described for a 2 x 8 transmissive asym
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e99350e110932acb8f0b8a312a1d20f
https://pubmed.ncbi.nlm.nih.gov/20333027
https://pubmed.ncbi.nlm.nih.gov/20333027
Autor:
D. H. McMahon, R. L. Gravel
Publikováno v:
Applied optics. 16(2)
A star repeater combines the functions of a passive star coupler and a signal regenerating amplifier. By more effectively utilizing the light power radiated by a light emitting diode, the star repeater can, when used with small diameter channels, cou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb5320f4e75a2ca81c434817799f0ad6
https://pubmed.ncbi.nlm.nih.gov/20168516
https://pubmed.ncbi.nlm.nih.gov/20168516
Autor:
William B. Spillman, R. L. Gravel
Publikováno v:
Optics letters. 5(1)
A fiber-optic hydrophone based on an intensity-modulation mechanism is described. The device possesses sufficient sensitivity to detect typical deep-sea noise levels in the frequency range 100 Hz to 1 kHz and to detect static displacements of 8.3 ×
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b44d220e0b0ec56b345d0fc50289ed03
https://pubmed.ncbi.nlm.nih.gov/19693112
https://pubmed.ncbi.nlm.nih.gov/19693112
Autor:
R. L. Gravel, F. F. Y. Wang
Publikováno v:
physica status solidi (b). 12:609-612
Polycrystalline NdNbO4 and GdNbO4, isostructural with the monoclinic form of YTaO4 (Fergusonite), were prepared by the usual ceramic method. GdNbO4 is paramagnetic with an asymptotic Curie point extrapolated to be 0 °K. NdNbO4 becomes antiferromaget
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b848ec5bee91b474278907bb09408cf7
https://doi.org/10.1002/pssb.19650120209
https://doi.org/10.1002/pssb.19650120209
Autor:
D. H. McMahon, R. L. Gravel
Publikováno v:
Applied Physics Letters. 28:396-398
An optical coupling apparatus having first and second optical waveguides wherein optical signals are coupled therebetween in a distributive manner. The distributive coupling provides essentially equally distributed optical signals in the secondary gu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d179623e81e1b6cac919ca7a6b3aafd
https://doi.org/10.1063/1.88773
https://doi.org/10.1063/1.88773
Publikováno v:
Applied Physics Letters. 28:321-323
A multimode electro‐optic modulator has been constructed and demonstrated using commercially available multimode fibers. Modulation occurs by the controlled channeling of light under metal electrodes. Significant modulation depth can be obtained fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33013e8c5c14e856eb137ba36ef72d43
https://doi.org/10.1063/1.88743
https://doi.org/10.1063/1.88743
Autor:
A. R. Nelson, R. L. Gravel
Publikováno v:
Fiber Optic Couplers, Connectors, and Splice Technology.
The temperature and vibration effects on the performance of multimode fused couplers is presently of concern to designers of fiber optic systems. To learn more about the performance of biconical taper couplers in certain environments, temperature and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3614f469eb24ab8463998275afc8c4c7
https://doi.org/10.1117/12.942778
https://doi.org/10.1117/12.942778
Autor:
M. Kestigian, R. L. Gravel
Publikováno v:
Review of Scientific Instruments. 36:1264-1265
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f7d9a30045578a0ce397e8300ec2441
https://doi.org/10.1063/1.1719870
https://doi.org/10.1063/1.1719870
Publikováno v:
Applied Optics. 19:2917
A multiplexing technique is described that requires no electrical power at the sensor locations and allows the signals from many sensors to be carried on a single optical fiber. The multiplexing technique is compatible with the use of multimode fiber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2442a81a29ee9ef1b39e689c8b614789
https://doi.org/10.1364/ao.19.002917
https://doi.org/10.1364/ao.19.002917
Publikováno v:
Applied Optics. 17:3822
A prototype fail-safe optical data bus utilizing active LiTaO(3) electrooptic mirror terminals has been constructed and tested. Features of the system include (1) a single optical source; (2) an optical insertion loss of less than 6 dB and a tapoff r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b926830898f4d40b01e087182b634339
https://doi.org/10.1364/ao.17.003822
https://doi.org/10.1364/ao.17.003822