The Optical Delay Lines (Michelson echelons) are designed as stepwise assemblies of plane-parallel plates from quartz glass of either equal (Type I) or various (Type II) thickness. They are used in picosecond spectrometers to provide fixed or changeable delays of laser beams.
Material
UV Fused Silica
Non-parallelism between surfaces
<10 arc. sec
Surface quality
/10; 20-10 scratch/dig
Delay line length
up to 100 mm
Thickness of plane-parallel plates
1.5-10 mm
Number of plates
10
Optical Delay Lines with other sizes and parameters can be available upon
request.
B.I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus, Minsk. info@axiconoptics.com
/10; 20-10 scratch/dig
10