LD coaxial laser
Characteristics and Applications
features
Low threshold
High efficiency of inclined
High linearity
Coaxial package, high reliability
Compliance with RoHS standards
The main application
Analog optical fiber communication system
CATV light transmitter
Optical transmitter module, telecommunications, data communication
Main photoelectric performance index (T=25℃)
parameter | symbol | The minimum value | Typical values | The maximum | unit | instructions |
The threshold current | Ith | — | 7 | 13 | mA | CW，T=25℃ |
— | — | 40 | CW，T=85℃ | |||
Output optical power | Po | 1 | — | 10 | mW | CW |
Working current | Iop | — | — | 65 | mA | CW，P=Po |
The slope efficiency | η | 0.06 | — | 0.38 | mW/mA | λ=1310/1550nm |
Working voltage | Vf | — | 1.1 | 1.5 | V | CW，IFL=Iop |
Peak wavelength (FP) | λp | λ-20 | λ | λ+20 | nm | CW，P=Po |
Central wavelength (DFB) | λc | λ-10 | λ | λ+10 | nm | CW，P=Po （注1） |
- 20 db spectral width | Δλ | — | 0.1 | 1.0 | nm | CW，IFL=Iop |
Side mode rejection ratio | SMSR | 30 | 40 | — | dB | CW，IFL=Iop |
Wavelength temperature coefficient | ∆λ/∆Τ | — | 0.09 | — | nm/℃ | CW, 0 to 85℃ |
Rise/fall time | Tr,Tf | — | 100 | 150 | Ps | IFL=Ith+20mA，10%~90% |
Monitor current | Im | 100 | — | 800 | uA | CW，P=Po |
Monitor dark current | Id | — | — | 100 | nA | Vr=10V |
| C | — | 10 | 20 | pF | Vr=10V， f=1MHz |
Optical isolation | ISO | 30 | — | — | dB |
The limit parameter | ||||||
LD forward current | IFL | — | — | 100 | mA | |
LD reverse voltage | VRL | — | — | 2 | V | |
MPD forward current | IFP | — | — | 10 | mA | |
MPD reverse voltage | IRP | — | — | 20 | V | |
Working temperature | Top | -25 | +25 | +85 | ℃ | |
Storage temperature | Tstg | -40 | +25 | +85 | ℃ | |
Welding temperature | — | — | 260 | ℃ | ||
Welding time | — | — | 10 | s |
Note 1: Transmitting and receiving wavelengths are determined according to customer's requirements. Refer to CWDM wavelengths.
For other details, please refer to the product specification or consult the sales staff.