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Single-sided double-layer optical recording medium
Surface-emitting laser element, a surface emitting laser array, an optical scanning device and an image forming apparatus
In a surface emitting laser element (100), on an inclined substrate (101), a resonator structural body including an active layer (105), and a lower semiconductor DBR (103) and an upper semiconductorExpand
Production method for group 13 nitride single crystal and production apparatus for group 13 nitride single crystal
This production method for a group 13 nitride single crystal (40) includes a dissolving step and a crystal growth step. The dissolving step is a step for dissolving nitrogen into a mixture melt (24)Expand