BWT Beijing Ltd.
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Features:
793nm wavelength
4W output power
105µm fiber core diameter
0.22NA
1900nm-2100nm feedback protection
Applications:
Fiber laser pumping
Solid state laser pumping
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Specifications(25℃)
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Symbol
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Unit
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K793DB2RN-4.000W
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| Minimum | Typical | Maximum | ||||
| Optical Data | CW-Output Power | Po | W | 4 | - | - |
| Center Wavelength | λc | nm | 793±3 | |||
| Spectral Width (FWHM) | △λ | nm | - | 3 | - | |
| Wavelength Shift with Temperature | △λ/△T | nm/℃ | - | 0.3 | - | |
| Wavelength Shift with Current | △λ/△A | nm/A | 1 | |||
| Spot ratio 0.15/0.22 | NA | % | 90 | |||
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | 46 | - | |
| Threshold current | lth | A | - | 0.9 | - | |
| Operating current | lop | A | - | - | 5.5 | |
| Operating voltage | Vop | V | - | 1.8 | 2 | |
| Slope Efficiency | η | W/A | - | 1 | - | |
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Fiber Data
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Core diameter | Dcore | μm | - | 105 | - |
| Cladding diameter | Dclad | μm | - | 125 | - | |
| Buffer diameter | Dbuf | μm | - | 245 | - | |
| Numeric aperture | NA | NA | - | 0.22 | - | |
| Fiber length | Lf | m | - | 1 | - | |
| Fiber Loose Tubing Diameter | - | μm | 0.9mm PVC 1.5cm | |||
| Minimum Bending Radius | - | mm | 50 | - | - | |
| Fiber termination | - | - | None | |||
| Feedback Isolation | Back reflection wavelength | λ | nm | 1900-2100 | ||
| Back reflection isolation | - | dB | - | 30 | - | |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage temperature | Tst | ℃ | -40 | - | 70 | |
| Lead Soldering Temp | Tls | ℃ | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating case temperature | Top | ℃ | 15 | - | 35 | |
| Relative Humidity | RH | % | 15 | - | 85 | |