Low-loss wavelength-multiplexed optical scanners using volume Bragg gratings for transmit-receive lasercom systems

dc.contributor.authorYaqoob, Zahid
dc.contributor.authorRiza, Nabeel A.
dc.contributor.funderDefense Advanced Research Projects Agencyen
dc.date.accessioned2020-06-23T10:51:15Z
dc.date.available2020-06-23T10:51:15Z
dc.date.issued2004-05-01
dc.date.updated2020-06-22T14:59:34Z
dc.description.abstractLow-loss, no moving parts, free-space wavelength-multiplexed optical scanner (W-MOS) modules for transmit-receive lasercom systems are proposed and experimentally demonstrated. The proposed scanners are realized using volume Bragg gratings stored in dichromated gelatin (DCG) coupled with high-speed wavelength selection, such as by a fast tunable laser. The potential speed of these scanners is in the gigahertz range using present-day state of the art nanosecond tuning speed lasers. A 940-lines/mm volume Bragg grating stored in dichromated gelatin is used to demonstrate the scanners. Angular dispersion and diffraction efficiency of the volume Bragg grating used for demonstration are studied, versus wavelength and angle of incidence to determine the free-space W-MOS angular scan and insertion loss, respectively. Experimental results show that a tunable bandwidth of 80 nm, centered at 1560 nm, delivers an angular scan of 6.25 deg. The study also indicates that an in-line scanner design realized using two similar Bragg gratings in DCG delivers a 13.42-deg angular scan, which is more than double the angular scan available from the free-space W-MOS using a single volume Bragg grating. Furthermore, a free-space W-MOS using a single Dickson grating features low (<0.15 dB) polarization-dependent loss and an average scanner insertion loss of only 0.4 dB over the 70-nm wavelength band around 1550 nm.en
dc.description.sponsorshipDefense Advanced Research Projects Agency, DARPA (DARPA grant N66001-98-D-6003)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationYaqoob, Z. and Riza, N. A. (2004) 'Low-loss wavelength-multiplexed optical scanners using volume Bragg gratings for transmit-receive lasercom systems', Optical Engineering, 43 (55), pp. 1128-1135. doi: 10.1117/1.1690765en
dc.identifier.doi10.1117/1.1690765en
dc.identifier.endpage1135en
dc.identifier.issn0091-3286
dc.identifier.issued55en
dc.identifier.journaltitleOptical Engineeringen
dc.identifier.startpage1128en
dc.identifier.urihttps://hdl.handle.net/10468/10165
dc.identifier.volume43en
dc.language.isoenen
dc.publisherSociety of Photo-Optical Instrumentation Engineers (SPIE)en
dc.rights© 2004 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.en
dc.subjectOptical scannersen
dc.subjectFree-space lasercomen
dc.subjectBragg diffraction gratingsen
dc.subjectwavelength multiplexing.en
dc.subjectDiffraction gratingsen
dc.subjectDiffractionen
dc.subjectFiber Bragg gratingsen
dc.subjectScannersen
dc.subjectOptical scanningen
dc.subjectOptical designen
dc.subjectSingle mode fibersen
dc.titleLow-loss wavelength-multiplexed optical scanners using volume Bragg gratings for transmit-receive lasercom systemsen
dc.typeArticle (peer-reviewed)en
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