1. A stray light suppression measurement system for determining the effectiveness of a light suppression arrangement comprising:
- a vacuum chamber enclosing the light suppression arrangement;
- light generating means for producing a short-pulsed high power light beam illuminating a portion of the light suppression arrangement;
- detector means provided within the light suppression arrangement for sensing the light reflected onto the image plane of the arrangement, said detector means producing an analog signal; and
- time discrimination electronic means connected to said detector means and triggered by the firing of said light generating means for producing a plurality of sample signals into which said analog signal produced by said detector means is loaded thereby producing a time discriminating signal.
2. A stray light suppression measurement system in accordance with claim 1, further including a computer means electronically connected to said electronic means and said light generating means for digitizing said signals produced by said detector means.
3. A stray light suppression measurement system in accordance with claim 2 further including a printer connected to said computer means for recording the data read by said sampling signals.
4. A stray light suppression measurement system in accordance with claim 1 wherein said time discrimination electronic means includes:
- delay means connected to said light generating means for optimizing the relationship between said sampling signals and said signal produced by said detector means;
- generator means connected to said delay means for generating said sampling signals;
- holding means connected to said generating means and said detector means for holding said sampling signals and for sampling the signal produced by said detector means.
5. A stray light suppression measurement system in accordance with claim 4 further including a bridge bias supply connected to said holding means.
6. A stray light suppression measurement system in accordance with claim 1 wherein said detector means includes a photomultiplier tube and a video preamplifier.
7. A stray light suppression measurement system in accordance with claim 4 wherein said generator means includes a burst pulse generator and shift register.
8. A stray light suppression measurement system including:
- a vacuum chamber adapted to enclose a light suppression arrangement;
- light generating means for producing a short-pulsed high power light beam illuminating a portion of the light suppression arrangement;
- detector means provided within the light suppression arrangement for sensing the light reflected onto the image plane of the arrangement, said detector means producing an analog signal; and
- time discrimination electronic means connected to said detector means and triggered by the firing of said light generating means for producing a plurality of sample signals into which said analog signal produced by said detector means is loaded thereby producing a time discrimination signal.
9. A stray light suppression measurement system in accordance with claim 8, further including a computer means electronically connected to said electronic means and said light generating means for digitizing said signals produced by said detector means.
10. A stray light suppression measurement system in accordance with claim 9 further including a printer connected to said computer means for recording the data read by said sampling signals.
11. A stray light suppression measurement system in accordance with claim 8 wherein said time discrimination electronic means includes:
- delay means connected to said light generating means for optimizing the relationship between said sampling signals and said signal produced by said detector means;
- generator means connected to said delay means for generating said sampling signals;
- holding means for holding said sampling signals and for sampling the signal produced by said detector means.
12. A stray light suppression measurement system in accordance with claim 11 further including a bridge bias supply connected to said holding means.
13. A stray light suppression measurement system in accordance with claim 8 wherein said detector means includes a photomultiplier tube and a video preamplifier.
14. A stray light suppression measurement system in accordance with claim 11 wherein said generator means includes a burst pulse generate and shift register.
15. A method for measuring the effectiveness of a light suppression arrangement comprising the steps of:
- producing a short-pulsed high power light beams;
- illuminating a portion of the light suppression arrangement with said high power light beam;
- detecting the portion of said high power light beam reflected onto the image plane of the light suppression arrangement;
- converting the signal detected by said detecting step into an analog signal;
- loading said analog signal into a plurality of sample signals timed to the production of said high power light beam thereby producing a time discriminating signal;
- digitizing said time discriminating signals; and
- analyzing said digitized signals to determine the efficiency of the light suppression arrangement.
16. A method for measuring the effectiveness of an energy suppression arrangement comprising the steps of:
- producing a high power energy beam;
- exposing a portion of the energy suppression arrangement with said high power energy beam;
- detecting the portion of said high power energy beam reflected onto the plane of the energy suppression arrangement;
- converting the signal detected by said detecting step into an analog signal;
- loading said analog signal into a plurality of sample signals timed to the production of said high energy beam, thereby producing a time discriminating signal; and
- analyzing said digitized signals to determine the efficiency of the energy suppression arrangement.
17. An energy suppression measurement system for determining the effectiveness of an energy suppression arrangement comprising:
- energy generating means for producing a high power energy beam irradiating a portion of the energy suppression arrangement;
- detector means provided within the energy suppression arrangement for sensing the energy reflected onto the plane of the arrangement, said detector means producing an analog signal;
- time discrimination electronic means connected to said detector means and triggered by the firing of said energy generating means for producing a plurality of sample signals into which said analog signal produced by said detector means is loaded thereby producing a time discriminating signal.
