Lecture 3 Optomechanics Spr2010

Lecture 3 - Optomechanics The lab environment temperature and vibration Optical tables and breadboards Optics hardware selection and usage Spring

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Spring 2010 Mat 288S Optoelectronic Measurements 1 Optomechanics The lab environment: temperature and vibration Optical tables and breadboards Optics hardware: selection and usage
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Mechanical Stability is Important Spring 2010 Mat 288S Optoelectronic Measurements 2 Noise, drift, probe stability Important for Waveguide coupling: fibers, diode lasers, PICs Small targets: VCSEL pillars, single QDs, grains Interferometry, coherent systems
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Sources of Vibration and Drift Spring 2010 Mat 288S Optoelectronic Measurements 3 Floor noise Instrument fans Air conditioning drafts Rap music Local heat sources: power supplies, hot plates, lamps
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Vibration Spring 2010 Mat 288S Optoelectronic Measurements 4
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Transmission of Vibrations Spring 2010 Mat 288S Optoelectronic Measurements 5 T 1 well below resonance Amplification near resonance Strong attenuation above resonance SO, Insure resonances are well above or well below vibration frequencies Use modulation techniques to shift measurement well beyond resonances
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Optical Table Response Spring 2010 Mat 288S Optoelectronic Measurements 6 Aluminum Honeycomb Ideal rigid body displacement Flexural Modes
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Spring 2010 Mat 288S Optoelectronic Measurements 7 Q = Resonant Peak Rigid Body Response
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This note was uploaded on 02/02/2011 for the course ECE 227A taught by Professor Coldren during the Spring '08 term at UCSB.

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Lecture 3 - Optomechanics The lab environment temperature and vibration Optical tables and breadboards Optics hardware selection and usage Spring

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