The 20RQ00UB.4 low GVD 50/50 Beamsplitter for Ultrashort Pulses is specially designed to minimize femtosecond pulse dispersion and wavefront distortion of reflected and transmitted light. This beam splitter is for P-polarized light is coated to provide a 50-50 split at 45° angle of incidence from 680-1080 nm. A thin UV grade fused silica substrate, with λ/10 wavefront distortion, is used to reduce pulse dispersion from the substrate material. For the UB.4 coating group velocity dispersion is between +50 fs2 and -180 fs2 over 680-1080 nm for P-polarized light at 45° angle of incidence. UB.4 coated beamsplitter can be used to split 50% of the P-polarized output beam from Spectra Physics ultrafast amplifiers and oscillators namely Solstice and Spitfire, and Mai Tai. This 50.8 mm diameter beamsplitter is designed to minimize pulse dispersion and maximize bandwidth for beam splitting and autocorrelation measurements of ultrafast laser pulses.

• 直径

  50.8 mm

• 增透膜

  680-1080 nm

• 材料

  UV Grade Fused Silica

• 表面质量

  20-10 scratch-dig

• 入射角

  45°

• 镀膜代码

  UB.4

• 后表面镀膜

  Uncoated

• 表面平面度

  ≤λ/10 at 632.8 nm over the clear aperture

• 倒角

  0.5 mm face width

• 倒角公差

  45±15°

• 清洁

  See How to Clean Optics

• 通光孔径

  > central 80% of diameter

• 楔形

  ≤1 arc min

• 厚度

  3.0 mm

• 厚度公差

  ±0.25 mm

• 波前畸变

  ≤λ/10 at 632.8 nm over the clear aperture

20 rq00ub。用于超短脉冲的低GVD 50/50波束分离器是专为减小飞秒脉冲色散和反射光和透射光的波前畸变而设计的。这种分光镜P-polarized光涂层提供45°角的平分秋色的发病率在680 - 1080海里。薄紫外线等级石英衬底,λ/ 10波前畸变,是用来减少脉冲色散的衬底材料。UB.4涂料群速度色散的+ 50 fs2和-180 fs2之间680 - 1080 nm P-polarized 45°角入射的光。UB.4覆膜分束器可用于将光谱物理超快放大器和振荡器，即至点和喷火，以及迈泰，50%的p极化输出光束进行分束。这个直径50.8 mm的分束器被设计用于最小化脉冲色散和最大带宽，用于超快激光脉冲的分束和自相关测量。