Cr, Tm, Ho-doped yttrium aluminum garnet (CTH:YAG) crystal / laser

Northrop Grumman Synoptics

Alexandrite crystal / laser

Northrop Grumman Synoptics

Optical isolator

Northrop Grumman Synoptics

Optical isolator

Northrop Grumman Synoptics

Optical isolator

Northrop Grumman Synoptics

YAG bar obtained by welding/diffusion

Northrop Grumman Synoptics