Noise reduction in resonator-based ultrasound sensors by using a CW laser and phase detection
The detection of ultrasound via optical resonators is conventionally performed by tuning a continuous-wave (CW) laser to the linear slope of the resonance and monitoring the intensity modulation at the resonator output. While intensity monitoring offers the advantage of simplicity, its sensitivity i...
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| Veröffentlicht in: | Optics letters 2019-06, Vol.44 (11), p.2677 |
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| creator | Riobó, Lucas Hazan, Yoav Veiras, Francisco Garea, María Sorichetti, Patricio Rosenthal, Amir |
| description | The detection of ultrasound via optical resonators is conventionally performed by tuning a continuous-wave (CW) laser to the linear slope of the resonance and monitoring the intensity modulation at the resonator output. While intensity monitoring offers the advantage of simplicity, its sensitivity is often limited by the frequency noise of the CW laser. In this work, we develop an alternative CW technique that can significantly reduce measurement noise by monitoring variations in the phase, rather than intensity, at the resonator output. In our current implementation, which is based on a balanced Mach–Zehnder interferometer for phase detection, we demonstrate a 24-fold increase in the signal-to-noise ratio of the detected ultrasound signal over the conventional, intensity-monitoring approach. |
| doi_str_mv | 10.1364/OL.44.002677 |
| format | Article |
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In our current implementation, which is based on a balanced Mach–Zehnder interferometer for phase detection, we demonstrate a 24-fold increase in the signal-to-noise ratio of the detected ultrasound signal over the conventional, intensity-monitoring approach.</description><subject>Continuous radiation</subject><subject>Lasers</subject><subject>Mach-Zehnder interferometers</subject><subject>Noise</subject><subject>Noise measurement</subject><subject>Noise monitoring</subject><subject>Noise reduction</subject><subject>Optical resonators</subject><subject>Signal to noise ratio</subject><subject>Ultrasonic imaging</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNotkEtLAzEUhYMoWKs7f0DArVPzuJmZLKX4gsFuFFcS0uRGp9SkJjOL_ntH6-rcw_k4Fw4hl5wtuKzhZtUtABaMibppjsiMK6kraDQckxnjUFdaaXFKzkrZMMbqRsoZeX9OfUGa0Y9u6FOkfZxMSdEOKVdrW9DTcTtkW9IYPS0YS8qFrvd0LH38oJYu3-h2wjK1U777nE7qccC_tnNyEuy24MW_zsnr_d3L8rHqVg9Py9uucqKWQ2UdKuRy3SpQDLQPoUXGg2sC-roNwmluwfLgrXUgJaJ3KrQyNFpJ4Vol5-Tq0LvL6XvEMphNGnOcXhohoJWt5Bom6vpAuZxKyRjMLvdfNu8NZ-Z3QLPqDIA5DCh_AHPoZH4</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Riobó, Lucas</creator><creator>Hazan, Yoav</creator><creator>Veiras, Francisco</creator><creator>Garea, María</creator><creator>Sorichetti, Patricio</creator><creator>Rosenthal, Amir</creator><general>Optical Society of America</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-0142-8693</orcidid></search><sort><creationdate>20190601</creationdate><title>Noise reduction in resonator-based ultrasound sensors by using a CW laser and phase detection</title><author>Riobó, Lucas ; Hazan, Yoav ; Veiras, Francisco ; Garea, María ; Sorichetti, Patricio ; Rosenthal, Amir</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-ace5e13b8545049dff8e01fc7fed68f2c91a4a1fdaac433eedc5f83f79532c853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Continuous radiation</topic><topic>Lasers</topic><topic>Mach-Zehnder interferometers</topic><topic>Noise</topic><topic>Noise measurement</topic><topic>Noise monitoring</topic><topic>Noise reduction</topic><topic>Optical resonators</topic><topic>Signal to noise ratio</topic><topic>Ultrasonic imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Riobó, Lucas</creatorcontrib><creatorcontrib>Hazan, Yoav</creatorcontrib><creatorcontrib>Veiras, Francisco</creatorcontrib><creatorcontrib>Garea, María</creatorcontrib><creatorcontrib>Sorichetti, Patricio</creatorcontrib><creatorcontrib>Rosenthal, Amir</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Riobó, Lucas</au><au>Hazan, Yoav</au><au>Veiras, Francisco</au><au>Garea, María</au><au>Sorichetti, Patricio</au><au>Rosenthal, Amir</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Noise reduction in resonator-based ultrasound sensors by using a CW laser and phase detection</atitle><jtitle>Optics letters</jtitle><date>2019-06-01</date><risdate>2019</risdate><volume>44</volume><issue>11</issue><spage>2677</spage><pages>2677-</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>The detection of ultrasound via optical resonators is conventionally performed by tuning a continuous-wave (CW) laser to the linear slope of the resonance and monitoring the intensity modulation at the resonator output. 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| ispartof | Optics letters, 2019-06, Vol.44 (11), p.2677 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_journals_2248383194 |
| source | Optica Publishing Group Journals |
| subjects | Continuous radiation Lasers Mach-Zehnder interferometers Noise Noise measurement Noise monitoring Noise reduction Optical resonators Signal to noise ratio Ultrasonic imaging |
| title | Noise reduction in resonator-based ultrasound sensors by using a CW laser and phase detection |
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