Three-dimensional photochemical machining with lasers
Abstract
Research on new photoinitiator systems and improved photopolymers for photochemical machining with lasers has resulted in the successful laboratory demonstration of crossed-beam polymerization, although some single-beam polymerization still occurs under the condition examined to date. Porphyrin sensitizers and acrylate polymers have given the best results so far, especially when the samples are first degassed under vacuum to remove oxygen. A computer-controlled three-axis translation stage has been constructed to move the sample relative to the (fixed) laser beams. Future work will be directed toward continued improvement of the polymer materials.
- Publication:
-
Semiannual Technical Report
- Pub Date:
- May 1984
- Bibcode:
- 1984bclo.reptR....S
- Keywords:
-
- Laser Applications;
- Machining;
- Optical Measuring Instruments;
- Photochemical Reactions;
- Acrylic Resins;
- Crosslinking;
- Laser Outputs;
- Numerical Control;
- Polymerization;
- Porphyrins;
- Sensitizing;
- Lasers and Masers