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Focusable Collimators
聚焦型准直器由两个不同的元件组合而成，即光纤准直器和光纤重调焦距组件。光纤准直器主要利用精确定位于光纤端面的焦点处的平凸透镜。这些准直器均能与FC或SMA接头结合使用，而且能够与标准0.22 NA光纤轻松耦合。聚焦型准直器会通过光纤的纤芯直径与准直器孔径之间的比率来扩展光束，同时降低光束发散。此外，直接安装在光纤准直器上的光纤重调焦距组件能够在指定距离内实现最佳聚焦效果。
| Collimator and Refocusing Assembly Compatibility Chart | ||
|---|---|---|
| Collimator Description | Stock Number | Compatible Refocusing Assembly |
| 4mm Aperture UV/VIS Fiber Optic Collimator, FC | #88-189 | No Compatible Refocusing Assemblies |
| 4mm Aperture UV/VIS Fiber Optic Collimator, SMA | #88-173 | No Compatible Refocusing Assemblies |
| 4mm Aperture VIS/NIR Fiber Optic Collimator, FC | #88-188 | No Compatible Refocusing Assemblies |
| 4mm Aperture VIS/NIR Fiber Optic Collimator, SMA | #88-172 | No Compatible Refocusing Assemblies |
| 10mm Aperture UV/VIS Fiber Optic Collimator, FC | #88-191 | #88-182, #88-183, #88-184, #88-185, #88-186, & #88-187 |
| 10mm Aperture UV/VIS Fiber Optic Collimator, SMA | #88-181 | #88-182, #88-183, #88-184, #88-185, #88-186, & #88-187 |
| 10mm Aperture VIS/NIR Fiber Optic Collimator, FC | #88-190 | #88-182, #88-183, #88-184, #88-185, #88-186, & #88-187 |
| 10mm Aperture VIS/NIR Fiber Optic Collimator, SMA | #88-180 | #88-182, #88-183, #88-184, #88-185, #88-186, & #88-187 |
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