| Date | Location | Event | Duration | Cost | More info |
|---|---|---|---|---|---|
| Monday, 25 January 1999 | San Jose (California) | Photonics West | 4 h | $215 | go |
| Friday, 10 December 1999 | Guadalajara (Mexico) | 4 h | |||
| Monday, 24 January 2000 | San Jose (California) | Photonics West | 4 h | $220 | go |
| Friday, 16 June 2006 | Alexandria (Virginia) | 8 h | |||
| Monday, 7 August 2006 | Alexandria (Virginia) | 8 h | |||
| Thursday, 20 December 2007 | Alexandria (Virginia) | 8 h |