Fig. 1
From: Provision of adaptive guard band in elastic optical networks
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13174-020-00126-3/MediaObjects/13174_2020_126_Fig1_HTML.png)
Example of dividing the optical spectrum into frequency slots
From: Provision of adaptive guard band in elastic optical networks
Example of dividing the optical spectrum into frequency slots