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Optical Diagnostics Research and Applications at MetroLaser

Optical Diagnostics Research and Applications at MetroLaser Presented at The University of California Irvine, March 24, 2006 by James D. Trolinger, Ph. D Vice-president and Co-founder (949) 553-0688 http://www.metrolaserinc.com. June 1988: Founded by Drs. Cecil Hess and Jim Trolinger.

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Optical Diagnostics Research and Applications at MetroLaser

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  1. Optical Diagnostics Research and Applications at MetroLaser Presented at The University of California Irvine, March 24, 2006 by James D. Trolinger, Ph. D Vice-president and Co-founder (949) 553-0688 http://www.metrolaserinc.com

  2. June 1988: Founded by Drs. Cecil Hess and Jim Trolinger. 1994: U. S. SBA Distinguished Award of Excellence. 1995: U. S. SBA National Prime Contractor of the Year. 2000: Spun off 4DVision Technologies Inc. 2004: AIAA Aerodynamics Measurement Technology Award 2006: Ongoing collaborations with 14 universities 2006: 30 employees, 15 Ph. D’s. Thirteen electro-optical laboratories in Irvine CA. Providing State of the Art Optical diagnostic instruments, services, & research to government and industry. History and Achievements

  3. MetroLaser has had joint contracts with UCI continuously for nearly 18 years. Over 30 different programs, subcontracts in excess of $2M. MetroLaser 4 fulltime employees and 10 interns from UCI. Currently have 3 active joint proposals MetroLaser/UCI Collaborations

  4. Laser Doppler Vibrometry Aerodynamic and Aero optic Measurement Technology Optical Sensors for NDT, monitoring, detection, and discrimination Tracking and Ranging for Space Situation Awareness Summary

  5. Electronic Digital Holography (PhaseCam) Laser Doppler Vibrometry Single beam Multiple beam Matrix Applications Non Destructive Testing Modal analysis Machinery health monitoring Remote microphone Land mine detection Technologies for Vibration Analysis

  6. MetroLaser Vibrometer

  7. Impact Testing of a Concrete Column in the Civil Engr. Lab at UC Irvine Typical Frequency Response of a Column Increasing damage Reduction of Natural Frequency With Increasing Damage

  8. Automotive Experiments Use VibroMet 500 to measure the engine vibration as a function of engine speed

  9. Automotive Experiments Variation of Peak Frequency and Velocity with Engine Speed

  10. Landmine Detection

  11. MetroLaser LDV Cart Array Lane 13, VS2.2., Depth = 1” Broadband Excitation, 80-300 Hz

  12. Multibeam LDV

  13. Correlation of LDV Defect Data WithUltrasound Image of a F-15 Vertical Stabilizer

  14. MultiBeam Full Field Application Dual Array Configuration Custom Matrix Configuration

  15. 10” Blade - 4940 Hz

  16. Holographic data stored on CCD array. Digital wavefront reconstruction Phase shifting interferometry (hologram plane). Diffraction theory (propagate to image). Interferograms are computed. Amenable to fiber optical implementation. Electronic (Digital) Holography

  17. Commercial MetroLaser wavefront sensor Laser Object Beam Transmitting Lens Receiving Lens

  18. 3D Plot of Turbine Blade Vibration Mode

  19. Profilometry Detail of US penny shows 1 mm profiling resolution Discovering Lincoln in the Cent

  20. Flow Visualization Holography Analyzing flow fields for density, velocity, temperature

  21. Dynamic optical Pathlength Measurements in real time

  22. Complete experiment

  23. Wavefront Data-Baseline L/D=9

  24. Schematic of aero-optic model.

  25. AOTS Simulated Aero-Optical Effects

  26. Planar Doppler VelocimetrySystem for use in the AEDC 16 Foot Transonic Wind Tunnel Facility

  27. Laser Reference Frequency System

  28. Proposed PDV installation in 16T

  29. AF03-251 (AC10) Fiber Optic Microsensors for High-Response Gas Total Temperature Measurement

  30. Air Force Requirements High response measurement of total temperature distortion at up to 48 locations around turbine inlet. Minimum flow blockage from sensor array Robust against flow borne particulates Probe replacement with minimum down-time 8000 R/s T= 300 R

  31. 0 Task 2: Design of fiber optic microsensor Construction fiber cladding / 125m fiber core /  10m metallic mirror 0.01m FP etalon 1-2m ZnSe /Si/SiC metallic mirror 0.1m Characteristics Intrinsic solid state FP sensor Environmentally isolated high bandwidth response minimum flow disruption high density array deployment 125m 2m

  32. scattered light metal surface detectors scanner scanner feature specular reflection Light Scattering Fatigue Detection

  33. Notched Fatigue Sample 13 DP = 720 N N = 9796 N = 14096 Nf = 43736

  34. Seed Visible & IR Radiation Active Laser Tracking System Concept CPU: System control & Data processing • 3D state vector • Velocity • Maneuvering • Vibration Laser Laser driver and controller Non-coherent Radiation Coherent Detection Coherent Radiation Propagation through atmosphere Target tracking, sensing & imaging Beam directing & telescope platform Control and Data Processing Platform

  35. 0.7O Laser Tracking System (Operational Principles) CPU NLM M2 Gain G2 P2 IR • Multifunctional detector-array • provides information on: • Delay time  distance • Doppler shift  velocity V • Spatial/angular coordinates Gain G1 M1 P1 Laser & Visible

  36. FPI design and assembly

  37. Desired Imaging FPI specification • Tuning range: t > 5 nm • Bandpass width: p < 0.01 nm or p/ < 10-5 • Acceptance angle: p ~ 1 ~ 0.017 rad • Working aperture:  1.0 inch • Transmittance T040 – 50 % • Background rejection > 20 dB • Central-wavelength:  ~700 nm

  38. TDLAS System Layout for H2O z y flame x Fiber Beam launch InGaAs Detector ~3 cm 2-into-1 Fiber combiner w2 = 1392 nm w1 = 1343 nm Tunable Diode lasers Laser current controller Waveform generator Computer for signal processing

  39. Swirl Burner at UCI Combustion Lab

  40. Results Comparison (T1) TDLAS temperature and CO2 chemiluminescence: EA = excess air: air beyond stoichiometric

  41. Improving the Great Lakes Control of Air Pollution Monitoring and Remote Sensing Green Buildings Mining and Mine Waste Management Lead Paint Detection and Removal Agriculture and Rural Community Improvement Management of Animal Feeding Operations Drinking Water Treatment and Monitoring Pollution Indicators for Beaches and Recreational Waters Water and Wastewater Management Innovation in Manufacturing for Environmental Protection Nanotechnology Engine and Vehicle Emissions Reduction Solid and Hazardous Waste Homeland Security.    Website- www.epa.gov/ncer/sbir/ EPA SBIR Opportunities-coming

  42. Opened10 March – 10 April, 2006 Full Proposals 10 April, 2006 Deadline for AEROSOL COLLECTION INTO LOW ANALYSIS VOLUMES (ACLAV)  RELIABLE PEROXIDE-BASED EXPLOSIVES DETECTION WITH LOW FALSE ALARM RATE   ENHANCED EXPLOSIVE SAMPLE COLLECTION AND/OR PRECONCENTRATION SYSTEMS  SIGNAL PROCESSING FOR A SOUTHERN BORDER SURVEILLANCE SYSTEM  HUMAN DETECTOR FOR CARGO SHIPPING CONTAINERS  INSTANTANEOUS REMOTE SENSING DATA RECEIVING AND PROCESSING FOR EMERGENCY RESPONSE  NETWORK-BASED BOUNDARY CONTROLLERS  BOTNET DETECTION AND MITIGATION  MANAGING MULTI-MEDIA SURVEILLANCE INFORMATION NETWORKS Homeland Security SBIR

  43. You can download this presentation from our website: www.metrolaserinc.com Thank you for your attention

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