Features
- High power: up to 200 mW
- Low power dissipation
- mini-DIL form factor
- PM fiber
- Ruggedized for harsh conditions
Overview
The EM4 EM586 single- mode, uncooled 976 nm pump laser simplifies next generation erbium- doped fiber amplifier (EDFA) designs by eliminating the need for large, less efficient, and costlier electric supplies.
It is wavelength stabilized by a fiber Bragg grating (FBG) which maintains stable performance over temperature ranges of 10 to 60°C and power ranges of up to 200 mW. The hermetically sealed 8-pin mini-DIL package includes thermistor, monitor photodiode and UniDry™ getter.
Performance Characteristics
Operating Temperature Range (20 to 55c).
Tested for Power at 25c and 55c.
TOP=25°C, Tgrating=23±3°C, and beginning of life unless otherwise specified.
Specifications
| Optical Characteristics | Sym | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Operating power 25°C | Pop | At Iop = 450mA | 200 | mW | ||
| Operating power 55°C | Pop | At Iop = 450mA | 160 | mW | ||
| KINK-free Power | PKINK | 25 | 200 | mW | ||
| Center wavelength | λc | P=Pop | 975.5 | 976 | 977.3 | nm |
| Electrical Characteristics | Sym | Condition | Min | Typ | Max | Unit | |
|---|---|---|---|---|---|---|---|
| Threshold current | ITH | 55 | mA | ||||
| Laser drive current | IOP | P=Pop=200 mW | 350 | 450 | mA | ||
| Laser forward voltage | VF | I = Imax | 2.1 | V |
| Fiber Characteristics | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Fiber type, jacket material | PM, Curable Acrylate | |||
| Core diameter | 5.6 | 6.6 | 7.6 | μm |
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