Multi-layer thin-film broadband beam splitter with matched...

Details Multi-layer thin-film broadband beam splitter with matched... Multi-layer thin-film broadband beam splitter with matched...

2007-08-14

2007-08-14

Chang, Audrey (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S487030

Reexamination Certificate

active

11125457

ABSTRACT:
A beam splitter includes a substrate. A thin film layer stack is formed on the substrate to achieve the same group delay dispersion (GDD) for both reflection and transmission from any input port and output port of said beam splitter.

REFERENCES:
patent: 5828489 (1998-10-01), Johnson et al.
patent: 7012747 (2006-03-01), Kagawa et al.
“The Practical Application of Light: Ultrafast Polarizers for Femtosecond Laser Applications,” 1999 Melles Griot Catalog, pp. 14.22-14.23.
Tikhonravov et al. “Designing of coatings for femtosecond lasers with phase derivatives targets,” May 1999, vol. 3738, pp. 221-229.
Pashotta R. “Group Delay dispersion-Group Velocity Dispersion” Encyclopedia of Laser Physics and Technology, pp. 7-8.
Kim et al. “Ultrabroadband beam splitter with matched group-delay dispersion” Optics Letters, vol. 30, No. 12, pp. 1569-1571.

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