单边缘激光二向色分束器
BrightLine的激光二向色分束器已经将反射延伸到350nm使光激活。这些二向色分束器适合用于荧光成像，包括全固态激光器。反射保证> 98%(s –偏振)和> 94%(平均偏振)在激光波长，加上> 93%的平均传输和非常低的波纹过极宽的通带-输出到900甚至1200 nm。
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UV & IR激光二向色分束器 (偏振不敏感; 在 45°角使用)
|
标准边缘波长 |
激光波长 |
扩展平均反射波段 |
吸收反射带 |
平均透射带 |
尺寸(mm) (L x W x H) |
滤光片型号 |
|
273 nm |
266.0 nm |
230.0 – 245.0 nm |
245.0 – 266.0 nm |
277.0 – 1200.0 nm |
25.2 x 35.6 x 1.05 |
Di01-R266-25x36 |
|
331 nm |
325.0 nm |
230.0 – 300.0 nm |
300.0 – 325.0 nm |
336.0 – 1200.0 nm |
25.2 x 35.6 x 1.05 |
Di01-R325-25x36 |
|
363 nm |
355.0 nm |
230.0 – 325.0 nm |
325.0 – 355.0 nm |
367.0 – 1200.0 nm |
25.2 x 35.6 x 1.05 |
Di01-R355-25x36 |
|
840 nm |
785.0 ± 5 nm 808.0 + 2 nm 830.0 nm |
350.0 – 780.0 nm |
780.0 – 830.0 nm |
845.0 – 1600.0 nm |
25.2 x 35.6 x 1.05 |
Di02-R830-25x36 |
|
993 nm |
975.0 ± 5 nm 976.0 nm 980.0 nm |
350.0 − 970.0 nm |
970.0 − 980.0 nm |
998.0 − 1600.0 nm |
25.2 x 35.6 x 1.05 |
Di02-R980-25x36 |
|
1078 nm |
1030.0 nm 1047.1 nm 1064.0 nm |
350.0 – 1030.0 nm |
1030.0 – 1064.0 nm |
1083.2 – 1600.0 nm |
25.2 x 35.6 x 1.05 |
Di02-R1064-25x36 |
激光二向色分束器常用规格
|
属性 |
Value |
Comment |
|
吸收反射率 |
> 98% (s-polarization) > 90% (p-polarization) > 94% (average polarization) |
Absolute reflectivity over the specified laser wavelengths/bands |
|
平均反射率 |
> 90% (average polarization) |
Averaged over extended reflection range |
|
透射率 |
> 93% |
Averaged over the transmission band above |
|
入射角 |
45.0° |
Range for above optical specifications Based on a collimated beam of light |
|
在入射角度波长的依赖性（边缘位移） |
0.2% / degree |
Linear relationship valid between about 40°- 50° (See MyLight for actual performance) |
|
圆锥半角（对于非准直光） |
< 0.5° |
Rays uniformly distributed and centered at 45° |
|
透射波前误差 |
< λ / 4 RMS at λ = 633 nm Peak-to |
Peak-to-valley error < 5 x RMS |
|
光束偏差 |
≤ 10 arcseconds |
|
|
第二平面 |
Anti-reflection (AR) coated |
|
|
平整度（Di01＆Di02） |
Reflection of a collimated, Gaussian laser beam with waist diameter up to 2.5 mm causes less than
one Rayleigh Range of focal shift after the |
|
|
滤光片定向 |
Reflective coating side should face toward light source and sample (see page 38) |
|
|
显微镜兼容性 |
BrightLine filters are available to fit Leica, Nikon, Olympus, and Zeiss microscopes. |
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