TO ORDER : Specify part number as follows : Substrate Code + Radius Code + Coating Code 

Plano/Plano and plano/concave substrate codes begin with HR. Plano/convex substrate

codes begin with HX. Radius code is omitted for plano/plano substrates.

Ex 1 : Si ; plano/plano; 25.4㎜ diameter; Protected Gold; IR (2.0-20.0㎛): HR 2612 S PG IR 

Ex 2 : Cu; plano/concave; 50.8㎜ diameter; 20m radius ; Enhanced Gold; 10.6㎛; 0。: HR 5138 CS 20 EG A06 

Other substrate materials, specifications, wavelengths, radII and angles of incidence can be provided

upon request. Please contact our sales department for assistance