The LIGO Particulate Evaluation Tool (PET)
- Document #:
- LIGO-T1300665-v9
- Document type:
- T - Technical notes
Other Versions:
- Abstract:
- The LIGO Particulate Evaluation Tool(PET), based on a similar system designed by the National Ignition Facility (NIF), has been developed to quantify contamination on mechanical surfaces. The PET has three main components:
1. A dry swipe technique and particulate collection tool, aka swipe tool,
2. Sample analysis using a stereomicroscope and ToupView software to count particle area,
3. And an Excel spreadsheet to calculate the Particle Cleanliness Level (PCL).A special thanks to NIF staff for sharing reports via e-mail and key information on this system during visits by the authors of this LIGO report. Refer to https://e-reports-ext.llnl.gov/pdf/240108.pdf
Excel template for obtaining Particulate Cleanliness level, PCL, is E1300641
- Files in Document:
- Other Files:
- T1300665-v9 aLIGO Particle Evaluation Tool (PET).docx (25.9 MB)
- stitch test.zip (83.5 MB)
- Topics:
- Authors:
- Keywords:
- contamination PCL cleanliness
- Notes and Changes:
- Formerly known as the Particle Cleanliness Validation System (PCVS)
Added a folder with individual images of a test filter. Users can test their ToupView setup by attempting to stitch these images. - KG 4/10/14
- Related Documents:
- LIGO-D1301007: Particle Evaluation Tool - Custom Microscope Templates
- Referenced by:
- LIGO-E1300951: aLIGO, General Contamination Control Documentation
- LIGO-E1400258-v3: Contamination Control Mitigation Processes and the resulting Cleanliness Levels
- LIGO-T1400515: User Manual and MATLAB Code for Detecting Particles
- LIGO-G1400866: Presentation of Process for Imaging and Measuring Particulates using Nikon D7100 and Matlab
- LIGO-E1400030: aLIGO, Particulate Contamination Requirement and Policy Documents
- LIGO-E1400027: aLIGO, Particulate Contamination Tools of the trade
- LIGO-E1400029: LIGO, Contamination Control Training Material