Rare earth doped natrium yttrium tungstate (RE:NaY(WO_4)_2, abbreviated RE:NYW) is a kind of solid laser material which is apt to LD pump.

• 掺稀土双钨酸钇钠晶体(RE：NaY(WO_4)_2，简称RE：NYW)晶体是一种适用于LD泵浦的固体激光工作物质。