Combined holographic-mechanical optical tweezers: Construction, optimization, and calibration
A spatial light modulator (SLM) and a pair of galvanometer-mounted mirrors (GMM) were combined into an optical tweezers setup. This provides great flexibility as the SLM creates an array of traps, which can be moved smoothly and quickly with the GMM. To optimize performance, the effect of the incide...
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Veröffentlicht in: | Review of scientific instruments 2009-08, Vol.80 (8), p.083703-083703-7 |
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creator | Hanes, Richard D. L. Jenkins, Matthew C. Egelhaaf, Stefan U. |
description | A spatial light modulator (SLM) and a pair of galvanometer-mounted mirrors (GMM) were combined into an optical tweezers setup. This provides great flexibility as the SLM creates an array of traps, which can be moved smoothly and quickly with the GMM. To optimize performance, the effect of the incidence angle on the SLM with respect to phase and intensity response was investigated. Although it is common to use the SLM at an incidence angle of 45°, smaller angles give a full
2
π
phase shift and an output intensity which is less dependent on the magnitude of the phase shift. The traps were calibrated using an active oscillatory technique and a passive probability distribution method. |
doi_str_mv | 10.1063/1.3196181 |
format | Article |
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2
π
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2
π
phase shift and an output intensity which is less dependent on the magnitude of the phase shift. The traps were calibrated using an active oscillatory technique and a passive probability distribution method.</description><subject>CALIBRATION</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Equipment Design</subject><subject>FLEXIBILITY</subject><subject>GALVANOMETERS</subject><subject>HOLOGRAPHY</subject><subject>INCIDENCE ANGLE</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>Light</subject><subject>MIRRORS</subject><subject>MODULATION</subject><subject>Motion</subject><subject>Normal Distribution</subject><subject>Optical Rotation</subject><subject>Optical Tweezers</subject><subject>Optics and Photonics - instrumentation</subject><subject>Optics and Photonics - methods</subject><subject>OPTIMIZATION</subject><subject>Periodicity</subject><subject>PHASE SHIFT</subject><subject>Polystyrenes - chemistry</subject><subject>PROBABILITY</subject><subject>VISIBLE RADIATION</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kU1LAzEQhoMotlYP_gEpCILg1nxsZjceBCl-QcGLHiVks1kb2d3UJEXsr3fbrejFuQwz8_Ay8w5CxwRPCAZ2SSaMCCA52UFDgnORZEDZLhpizNIEsjQfoIMQ3nEXnJB9NCAioxx4PkSvU9cUtjXleO5q9-bVYm510hg9V63Vqh67Rdzk-GnMyvhwNZ66NkS_1NG69mIzb-xK9ZVqy3FH28JvGodor1J1MEfbPEIvd7fP04dk9nT_OL2ZJTplNCaqqACXVJSCk6LieVpCxQsMWnMotSiAUsEEM1DpHFKloVAC8wxwlWnIypSN0Gmv60K0MmgbuwO0a1ujo6S0uxpT2lFnPbXw7mNpQpSNDdrUtWqNWwYJGTDOM9yB5z2ovQvBm0ouvG2U_5IEy7Xjksit4x17shVdFo0pf8mtxR1w3QPrtTau_K_28wz55xnsG5hdkT0</recordid><startdate>20090801</startdate><enddate>20090801</enddate><creator>Hanes, Richard D. 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L.</creatorcontrib><creatorcontrib>Jenkins, Matthew C.</creatorcontrib><creatorcontrib>Egelhaaf, Stefan U.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Review of scientific instruments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hanes, Richard D. L.</au><au>Jenkins, Matthew C.</au><au>Egelhaaf, Stefan U.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Combined holographic-mechanical optical tweezers: Construction, optimization, and calibration</atitle><jtitle>Review of scientific instruments</jtitle><addtitle>Rev Sci Instrum</addtitle><date>2009-08-01</date><risdate>2009</risdate><volume>80</volume><issue>8</issue><spage>083703</spage><epage>083703-7</epage><pages>083703-083703-7</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>A spatial light modulator (SLM) and a pair of galvanometer-mounted mirrors (GMM) were combined into an optical tweezers setup. This provides great flexibility as the SLM creates an array of traps, which can be moved smoothly and quickly with the GMM. To optimize performance, the effect of the incidence angle on the SLM with respect to phase and intensity response was investigated. Although it is common to use the SLM at an incidence angle of 45°, smaller angles give a full
2
π
phase shift and an output intensity which is less dependent on the magnitude of the phase shift. The traps were calibrated using an active oscillatory technique and a passive probability distribution method.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>19725658</pmid><doi>10.1063/1.3196181</doi><tpages>1</tpages></addata></record> |
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subjects | CALIBRATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Equipment Design FLEXIBILITY GALVANOMETERS HOLOGRAPHY INCIDENCE ANGLE INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Light MIRRORS MODULATION Motion Normal Distribution Optical Rotation Optical Tweezers Optics and Photonics - instrumentation Optics and Photonics - methods OPTIMIZATION Periodicity PHASE SHIFT Polystyrenes - chemistry PROBABILITY VISIBLE RADIATION |
title | Combined holographic-mechanical optical tweezers: Construction, optimization, and calibration |
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