Sellmeier Coefficients for GLS glass

Sellmeier_fit

In response to many requests from optical designers and using the latest visible to infrared index data for GLS glass we are pleased to release the full Sellmeier coefficients for GLS. Use of the following coefficient enables the refractive properties of GLS lenses to be modelled in most common lens design programs.

Note it is essential to use the five parameter version of the Sellmeier equation, with the following coefficients

L10.07157K11.5127
L20.03312K21.9409
L30.00727K30.7893
L4-0.04402K40.1026
L5750.00K52.3353

If you would also like dn/dT data to further aid you modelling please contact us

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