The BPP-25.4 Penta Prism deviates a line of sight or input beam by precisely 90°. In imaging applications the penta prism will neither invert nor reverse the image. This prisms deviate a beam through the same angle regardless of its orientation to the beam. This makes penta prisms valuable for applications requiring an exact 90° deviation without having to orient the prism precisely. The monolithic design of a penta prism also makes it inherently more stable than a system consisting of two mirrors. This 1 x 1 inch (25.4 x 25.4 mm) prism is 1 inch (25.4 mm) thick. The geometry of these prisms requires the reflecting surfaces to be coated. The reflecting surfaces of our penta prisms are coated with protected aluminum with a black paint overcoat. The entrance and exit faces are uncoated but can be antireflection coated. Please contact Newport if you require an antireflection coating.
尺寸
25.4 x 25.4 x 25.4 mm
镀膜类型
Protected Aluminum with black paint overcoat
材料
Grade A N-BK7
表面质量
40-20 scratch-dig
表面平面度
≤λ/4 at 632.8 nm over the clear aperture
通光孔径
> 85% of central face
尺寸公差
+0/-0.15 mm
倒角
0.25-0.5 mm face width
倒角公差
45° ±15°
清洁
损伤阈值
100 W/cm2 CW, 10 mJ/cm2 with 10 nsec pulses at 532 nm, typical
bpp - 25.4五棱镜偏离视线或输入光束精确90°。在成像应用中，五棱镜既不会反转也不会反转图像。无论光束的方向如何，这个棱镜都会使光束偏离相同的角度。这使得五棱镜有价值的应用程序需要一个精确的90°偏差而无需东方棱镜精确。五棱镜的整体设计也使它天生比由两个镜子组成的系统更稳定。这个1×1英寸(25.4×25.4毫米)的棱镜有1英寸(25.4毫米)厚。这些棱镜的几何形状要求反射面的涂层。我们的五棱柱的反射表面涂上了保护铝与黑色涂料大衣。入口和出口表面没有涂层，但可以进行抗反射涂层。如果您需要一层抗反射涂层，请与新港联系。