What is the relationship between reflectivity and FWHM of an FSG®?

Simulated and measured data of the FWHM of a FSG® vs reflectivity for a 4mm grating length

Among the key features gained from FSG® inscription are the ability to reduce the Full Width Half Maximum (FWHM) of the reflection peak to about 200pm, independent of the length of the grating. However, for a fixed grating length, the reflectivity has a slight influence on the FWHM. The following graph shows the dependency between the FWHM of the FSG®s with increasing reflectivity for a fixed grating length of 4mm.

 

Sign up for newsletter

Contact us

    Code:  

     

    How we use your information

    We are committed to respecting your privacy and protecting your personal information and will always treat it with the upmost care. You can find out how we handle your data and all the ways we use it to provide you with a better service in our Privacy Statement.

    By submitting this form, you consent to the use of your data in accordance with our Privacy Statement.

    Germany

    FBGS Technologies GmbH
    Franz Loewen Straße 3
    D-07745 Jena

    Belgium

    FBGS International NV
    Bell Telephonelaan 2H
    B-2440 Geel

    China

    Suzhou X2 Electronic Technology Co Ltd
    Room No. 2003, Building 38, No. 60 Weixin Road, Suzhou Industrial Park
    215122 Suzhou, Jiangsu China

    Canada

    Montreal