Name: fabrication and testing of microfluidic optomechanical oscillators
Uploaded: 2014-05-29T14:00:00
Description: Watch this Scientific Journal Video about Fabrication and Testing of Microfluidic Optomechanical Oscillators at JoVE.com

This work was funded by Startup funding from the University of Illinois at Urbana-Champaign, DARPA ORCHID program through a grant from AFOSR, the National Science Foundation through grant CMMI-1265164, and the National Science Foundation Graduate Research Fellowship program. We acknowledge enlightening discussions with Prof. Jack Harris, Prof. Pierre Meystre, Dr. Matt Eichenfield, Prof. Taher Saif, and Prof. Rashid Bashir.

1.. Fabrikation af Ultra-high-Q Mikrofluidenheder Resonators <ol><li> Fremstilling af kapillær fremstilling setup <ol><li> Fabrikere mikrofluid optomekaniske resonator på følgende måde -. Opvarm en glaskapillar præforme med cirka 10 W CO 2 laserstråling på 10,6 mikron bølgelængde, og trække ud opvarmede kapillær lineært ved hjælp af motoriserede etaper oversættelse Figur 1 viser arrangementet af den lineære oversættelse etaper, lasere, og placeringen af ​​kapillære præ...

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Vi har fabrikeret og testet en ny enhed, der bygger bro mellem hulrum optomechanics og MicroFluidics ved at ansætte højt Q optiske resonanser at ophidse (og afhøre) mekaniske vibrationer. Det er overraskende, at flere excitation mekanismer er tilgængelige i meget samme enhed, som genererer en lang række mekaniske vibrations tilstande ved hastigheder spænder 2 MHz til 11.300 MHz. Centrifugal stråling pres understøtter både vinglas modes og vejrtrækning tilstande i 2-200 MHz span, Forward stimuleret Brillouin sp...

Cavity optomechanics studerer den parametriske kobling mellem fononmodi og foton tilstande i microresonators ved hjælp af stråling pres (RP) 1-3 og stimuleret Brillouin spredning (SBS) 4-6. SBS og RP mekanismer er blevet påvist i mange forskellige optiske systemer, såsom fibre 7, mikrosfærer 4,6,8, toroider 1,9 og krystallinske resonatorer 5,10. Gennem denne foton-phonon kobling, både køling 11 og excitation 6,10 af mekaniske tilstande er blevet påvist. Men næsten alle rapporterede optomechanics eksperimenter er med faste faser af stof. Dette skyldes direkte flydende nedsænkning af optomekaniske enheder resulterer i stærkt forøget strålings akustisk tab på grund af den højere impedans af væsker sammenlignet med luft. Hertil kommer, at i nogle situationer afledende tabsmekanismer i væsker kan overstige skyernes akustiske tab. Recently blev en ny type hule optomekaniske oscillator med en mikrokapillære geometri introduceret 12-15, og som ved design er udstyret til mikrofluidenheder eksperimenter. Diameteren af denne kapillar moduleres langs dens længde for at danne flere &#39;flaske resonatorer&#39;, der samtidig begrænser optiske hviske-galleri resonanser 16 samt mekaniske resonante modes 17. Flere familier af mekaniske resonans tilstande deltage, herunder vejrtrækning tilstande, vin glas modes, og hviske-galleri akustiske modes. Vinen glas (stående-bølge) og hviske-galleri akustisk (rejse-bølge) resonanser dannes, når en vibration med heltal multiplum af akustiske bølgelængder opstår omkring enhedens omkreds. Lyset udklingende kobles ind i de optiske hviske-galleri former for disse &quot;flasker &#39;ved hjælp af en tilspidset optisk fiber 18. Indeslutning af væsken inde 19,20 kapillarrøret resonator, somi modsætning til udenfor, giver høj mekanisk og optisk kvalitet faktorer samtidig, som giver den optiske excitation af mekaniske tilstande ved hjælp af både RP og SBS. Som det er blevet vist, disse mekaniske excitationer er i stand til at trænge ind i fluidum i indretningen 12,13, der danner en delt faststof-væske resonansform, således at en opto-mekanisk grænseflade til den fluide miljø inden for. I denne afhandling beskriver vi fabrikation, RP og SBS aktivering, og repræsentative måleresultater for denne roman optomekaniske system. Angivne materiale og værktøj lister også.

<table border="0" cellpadding="0" cellspacing="0" style="width:647px;" width="647">
	<tbody>
		<tr>
			<td>Tunable IR laser</td>
			<td>Newfocus</td>
			<td>TLB-6328</td>
			<td></td>
		</tr>
		<tr>
			<td>Photodetectors</td>
			<td>Newfocus</td>
			<td>1811-FC (Low speed 125MHz) / 1611-FC-AC (High speed 1GHz)</td>
			<td></td>
		</tr>
		<tr>
			<td>Optical fiber</td>
			<td>Corning</td>
			<td>SMF28</td>
			<td></td>
		</tr>
		<tr>
			<td>Silica capillary</td>
			<td>PolyMicro</td>
			<td>TSP700850</td>
			<td></td>
		</tr>
		<tr>
			<td>10.6 um wavelength CO2 laser</td>
			<td>Synrad</td>
			<td>48-1KWM and 48-2KWM</td>
			<td></td>
		</tr>
		<tr>
			<td>UV-curing optical adhesive</td>
			<td>Thorlabs</td>
			<td>NOA81</td>
			<td></td>
		</tr>
		<tr>
			<td>Tubing</td>
			<td>Tygon</td>
			<td>EW-06418-01</td>
			<td></td>
		</tr>
		<tr>
			<td>Syringes</td>
			<td>B-D</td>
			<td>YO-07940-12</td>
			<td></td>
		</tr>
		<tr>
			<td>Needles</td>
			<td>Weller</td>
			<td>KDS201P</td>
			<td></td>
		</tr>
		<tr>
			<td>Electrical spectrum analyzer</td>
			<td>Agilent Technologies</td>
			<td>N9010A (EXA Signal Analyzer)</td>
			<td></td>
		</tr>
		<tr>
		</tr>
		<tr>
			<td>Tektronix</td>
			<td>6114A (RSA, Real-time spectrum analyzer)</td>
			<td></td>
		</tr>
		<tr>
			<td>Optical spectrum analyzer</td>
			<td>Advantest</td>
			<td>Q8384</td>
			<td></td>
		</tr>
		<tr>
			<td>Oscilloscope</td>
			<td>Tektronix</td>
			<td>DPO 4104B-L</td>
			<td></td>
		</tr>
		<tr>
			<td>Gold mirrors</td>
			<td>II-VI Infrared</td>
			<td>836627</td>
			<td></td>
		</tr>
		<tr>
			<td>Linear stage (slow)</td>
			<td>DryLin</td>
			<td>H1W1150</td>
			<td></td>
		</tr>
		<tr>
			<td>Linear stage (fast)</td>
			<td>PBC Linear</td>
			<td>MTB055D-0902-14F12</td>
			<td></td>
		</tr>
		<tr>
			<td>Fabry Perot optical spectrum analyser</td>
			<td>Thorlabs</td>
			<td>SA 200-14A (FSR: 1.5 GHz)</td>
			<td></td>
		</tr>
	</tbody>
</table>

fabrication and testing of microfluidic optomechanical oscillators

Cavity optomechanics eksperimenter, parametrisk koble fononmodi og foton modes er blevet undersøgt i forskellige optiske systemer, herunder microresonators. Men på grund af den øgede akustiske strålingsegenskaber tab i direkte flydende nedsænkning af optomekaniske enheder, næsten alle offentliggjorte optomekaniske eksperimenter er blevet udført i fast fase. Denne artikel diskuterer en nylig indført hul mikrofluid optomekaniske resonator. Detaljeret metode er forudsat at fabrikere disse ultra-high-Q microfluidic resonatorer, udføre optomekaniske test og måle stråling trykdrevne vejrtrækning mode og SBS-drevne hviskegallerimodus parametriske vibrationer. Ved at holde væsker inde i kapillære resonator, er de høje mekanisk og optisk kvalitet faktorer samtidig opretholdes.

De ved denne fremgangsmåde fremstillede kapillærer er tynde (mellem 30 um og 200 um), klar og meget fleksibel, men er tilstrækkeligt robuste til direkte håndtering. Det er vigtigt at beskytte den ydre overflade af den kapillære enheden mod støv og vand (fugtighed) for at opretholde en høj optisk kvalitet (Q). Ved at dyppe den ene ende af kapillarrøret i vand og blæser luft gennem kapillarrøret ved hjælp af en sprøjte, kan det kontrolleres, om kapillarrøret er gennem eller om der var forseglet under fremstil...

Watch this Scientific Journal Video about Fabrication and Testing of Microfluidic Optomechanical Oscillators at JoVE.com

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Parametric optomechanical excitations have recently been experimentally demonstrated in microfluidic optomechanical resonators by means of optical radiation pressure and stimulated Brillouin scattering. This paper describes the fabrication of these microfluidic resonators along with methodologies for generating and verifying optomechanical oscillations.

Fabrikation og Test af Mikrofluidenheder optomekaniske oscillatorer

Cavity optomechanics experiments that parametrically couple the phonon modes and photon modes have been investigated in various optical systems including ...

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