光栅-朗奇刻线
朗奇刻线,又称伦奇刻线Ronchi Rulings。玻璃基底,上面金属铬镀膜形成格栅,不透明的线条的宽度大约是线距的1/2。基底玻璃用的B270玻璃,折射率1.52,尺寸大小是50*50*1.5mm(R28除外),光栅刻线区域基本覆盖整个玻璃板(0R25、R26、R27除外,这3个的刻线区域的宽度大约30mm)。此类光栅主要用来检测光学分辨率、长畸变以及等焦距的稳定性,也可以作为光栅来产生干涉图样。欢迎登陆海德网站或来电获取详细信息。 订购信息:货号产品描述规格68098-25Grating – Ronchi ruling 2 lines per mm.R1268098-26Grating – Ronchi ruling 8 lines per mmR1568098-27Grating – Ronchi ruling 20 lines per mm. R1668098-28Grating – Ronchi ruling 40 lines per mm. R1768098-29Grating – Ronchi ruling 50 lines per mm. 50mm x 50mmR2568098-30Grating – Ronchi ruling 100 lines per mm. 50mm x 50mm R2668098-31Grating – Ronchi ruling 125 lines per mm. 50mm x 50mm R2768098-32Grating-Ronchi ruling 200 lines per mm,外尺寸76*25mm,soda lime glass,木质盒子包装R28