BWT Beijing Ltd.
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915nm 250W High Power Diode Lasers
Features:
915nm wavelength
250W output power
135µm fiber core diameter
0.22N.A.
1020nm-1200nm feedback protection
Applications:
Fiber laser pump source
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Specifications(25℃)
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Symbol
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Unit
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K915-A0-250.00W-13522D | |||
| Minimum | Typical | Maximum | ||||
| Optical Data | CW-Output Power | Po | W | 250 | - | - |
| Center Wavelength | λc | nm | 915±10 | |||
| Spectral Width (FWHM) | △λ | nm | - | 4 | 6 | |
| Wavelength Shift with Temperature | △λ/△T | nm/℃ | - | 0.3 | - | |
| 0.17/0.22NA | % | 90 | 95 | - | ||
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | 50 | - | |
| Threshold current | lth | A | - | 1.4 | - | |
| Operating current | lop | A | - | 26 | 28 | |
| Operating voltage | Vop | V | - | 21 | 23 | |
| Slope Efficiency | η | W/A | - | 10.2 | - | |
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Fiber Data
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Core diameter | Dcore | μm | - | 135 | - |
| Cladding diameter | Dclad | μm | - | 155 | - | |
| Numeric aperture | NA | - | - | 0.22 | - | |
| Fiber length | Lf | m | - | 2 | - | |
| Fiber Loose Tubing Diameter | - | mm | 0.9mm | |||
| Minimum Bending Radius | - | mm | 62 | - | - | |
| Fiber termination | - | - | - | FF | - | |
| Feedback Isolation | Back reflection wavelength | λ | nm | 1020-1200 | ||
| Back reflection isolation | - | dB | - | 30 | - | |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage temperature | Tst | ℃ | -20 | - | 70 | |
| Lead Soldering Temp | Tls | ℃ | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating case temperature | Top | ℃ | 15 | - | 35 | |
| Relative Humidity | RH | % | 15 | - | 75 |
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