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| Part NO. : | DCFBG-series |
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DFB-0780-080-TO3, DFB Diode Laser
The DFB-0780-080-TO3 is a high power MOVPE grown GaAsP/AlGaAs Distributed Feedback diode laser. The chips are mounted in TO3 can with Peltier cooler. Fully mode-hop free tuning selection available upon request.
Specification
(The characteristics are measured at 25°C operation temperature.)
|
Parameter |
Symbol |
Unit |
min. |
typ. |
max. |
|
|
|||||
|
Center Wavelength |
λc |
nm |
779 |
780 |
781 |
|
Spectral Width |
∆λ |
MHz |
|
2 |
10 |
|
Temperature Coefficient |
∆λ/∆T |
nm/K |
|
0.06 |
|
|
Laser Current Coefficient |
∆λ/∆I |
nm/mA |
|
0.003 |
|
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|
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Output Power |
Popt |
mW |
80 |
|
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|
Slope Efficiency |
η |
mW/mA |
0.6 |
0.8 |
1.0 |
|
Threshold Current |
Ith |
mA |
|
|
70 |
|
Operation Current @ Popt = 80mW |
Iopt |
mA |
|
|
180 |
|
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Beam Divergence || (FWHM) |
θ|| |
deg. |
6 |
8 |
10 |
|
Beam Divergence || (FWHM) |
θ⊥ |
deg. |
18 |
21 |
24 |
|
Polarization |
|
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|
TM |
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Mode Structure |
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|
fundamental transverse mode |
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