纖維光學(xué)元件

光學(xué)纖維面板

Fiber optic   plate

輸入面和輸出面的圖像大小方向均不改變。

The size and   direction of the images on the input and output surfaces remain unchanged.

光學(xué)纖維倒像器

Fiber optic   inverter

輸入面和輸出面的圖像大小不變，方向倒立。

The size of   the image on the input and output surfaces is unchanged and the direction is   inverted.

纖維光錐

Fiber optic   taper

輸入面和輸出面的圖像方向不變，大小改變。

The   direction of the image on the input and output surfaces remains unchanged and   the size changes.

光纖中心距Fiber center distance

≤4μm

≤4μm

4μm～100μm

理論數(shù)值孔徑

Theoretical numerical aperture

≥1.0

≥1.0

≥1.0

準(zhǔn)直光透射比

Transmission ratio of collimating light

≥65%

≥65%

≥65%

朗伯光透射比

Lambert transmittance

≥58%

≥58%

-

線(xiàn)膨脹系數(shù)

Coefficient of linear expansion

（87±2）×10^-7/℃

（85±7）×10^-7/℃

（85±7）×10^-7/℃

真空氣密性

Vacuum tightness

≤2×10^-12Pa·m³·s^-1

≤2×10^-12Pa·m³·s^-1

-

剪切畸變

Shear distortion

≤30μm

≤30μm

≤30μm

蛇形畸變

Serpentine distortion

≤20μm

≤40μm

≤40μm

像位移

As the dislacement

≤100μm

≤200μm

≤ 500μm

其他

others

形狀：圓、方、平凹、異形

Shape：Circle、square、 plane concave

-

放大比：1.5:1～5:1

Magnification ratio：

1.5:1～5:1