Sensors & Electronics
Macro Property Measurement
Field Instrument for Aerosol Particle Sizing (56)
Problem: Develop lightweight, portable instrument for field measurements of aerosol particle sizes
Project Activity Scope (from Technical Overview Chart):Interaction Mechanisms through Integrated Systems
PNNL Solution:
- Adapted holographic photography for aerosol data capture and analysis
- Developed compact, battery-powered, pulsed ruby rod laser and integrated it with a commercial camera for field use
- Successfully demonstrated system use to meet client need
Capabilities Employed to Meet Client Needs: Portable, pulsed ruby laser design; novel Q-switching by laser rod deformation and mechanical resonance motion to control laser pulse operation; compact flash lamp and power supply design for laser rod excitation; camera adaptation for hologram recording; mechanical design for laser source and system integration; lab optics system for hologram reconstruction and aerosol image analysis; project reporting; open literature publication of laser and system design and performance.
Selected Links to Related Information:
- Similar Technology Examples (Same or Different Application)
Contact: Tim Peters
