Distributed bragg reflector and method of fabrication

Distributed Bragg reflector and method of fabrication

Distributed Bragg reflector systems and methods

Double bessel beam producing method and apparatus

Double chirped mirror

Double chirped mirror

Double-pass tunable fabry-perot optical filter

Drop filter apparatus and method

Dual cavity MEMS tunable Fabry-Perot filter

Dual membrane single cavity Fabry-Perot MEMS filter

Dual silver layer Low-E glass coating system and insulating glas

Dual transmission band interference filter

Dual-band fabry-perot mirror coating

Durable low-emissivity solar control thin film coating

Durable nano-structured optical surface

Durable silver coating for mirrors

Dynamic tuning of multi-path interference filter