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Beam Transformation System BTS(FAC160)-P0.2
Beam Transformation System (BTS) for diode laser bars with up to 50 emitters: emitter size up to 100 μm, emitter pitch 200 μm. The BTS is used to make the beam parameter product of diode laser bars symmetrical for free beam lasers or fiber coupling. The BTS consists of a FAC160 fast axis collimation lens, a lens array for 90° rotation of the emitters and a bottom tab.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | FL-1R1.9/S-TIH53 (Ohara) |
| Length (L) | 12±0.1mm |
| Width (W) | 0.8±0.1mm |
| Clear aperture | 10.5×0.25mm² |
| Surface quality @633nm | λ/4 (typically) |
| Back focal length BFL @980nm | 0.034mm |
| Pitch | 0.2mm |
| Gap | 0.0±0.01mm |
| Numerical aperture (NA) | FA:0.5 SA:0.09 |
| Transmission | ＞98% |
| Remaining divergence (FW1/e²) for fast axis | ＜12mrad |
| AR-coating MOD000674 | 600-700nm |
| Thickness (T) MOD000674 | 1.5±0.1mm |
| Divergence measured at MOD000674 | 808nm |
| Divergence optimized for MOD000674 | 808 |
| Drawing Number MOD000674 | a |
| AR-coating MOD000681 | 790-990nm |
| Thickness (T) MOD000681 | 1.5±0.1mm |
| Divergence measured at MOD000681 | 808nm |
| Divergence optimized for MOD000681 | 808 |
| Drawing Number MOD000681 | a |
| AR-coating MOD000682 | 790-990nm |
| Thickness (T) MOD000682 | 1.5±0.1mm |
| Divergence measured at MOD000682 | 976nm |
| Divergence optimized for MOD000682 | 976 |
| Drawing Number MOD000682 | b |
| AR-coating MOD000722 | 948-998nm |
| Thickness (T) MOD000722 | 2.06±0.1mm |
| Divergence measured at MOD000722 | 976nm |
| Divergence optimized for MOD000722 | 976 |
| Drawing Number MOD000722 | b |
Applications
Key Features
Datasheet
Supplier Information
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