The present invention relates to an optical multi wavelength selective device, more precisely a multi wavelength selective switch for rerouting and switching of wavelengths in {TAIL ~ an optical network}, in which {HEAD ~ each wavelength} may be separately rerouted 
in separately rerouted
The present invention relates to an optical multi wavelength selective device , more precisely a multi wavelength selective switch for rerouting and switching of wavelengths in { TAIL ~ an optical network } , in which { HEAD ~ each wavelength } may be separately rerouted
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