Highly efficient hologram enhancement in Bi12TiO20fibre-type crystal
β Scribed by A. A. Kamshilin; V. V. Prokofiev; R. Silvennoinen; T. Jaaskelainen
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 362 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0306-8919
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π SIMILAR VOLUMES
The angular acceptance angle (phase matching acceptance angle) Dy in BBO crystal is theoretically calculated in milli-radian magnitude. To satisfy a fully phase matching condition of a laser beam and obtain ecient conversion of SHG, an intracavity frequency doubled (IFD) Nd:YAP mode-locked laser wit
## Abstract **Summary:** A novel polyurethaneβtype polymeric photoinitiator (PUIOA) was synthesized through polycondensation of a novel diamine AAPBP, TDI and MDEA. The BP and coinitiator amine structures were successfully introduced into the backbones of PUIOA. A polymeric photoinitiator without t