808 nm Cooled Multi-Mode Lasers EM339
A 14-pin butterfly package, Peltier-cooled, fiber-coupled, multi-mode pump laser that operates at 808 nm, with an output power of up to 3 W.
Full Product Description- Wavelength:
- 808 nm
- Output power:
- Min: 3 W
Product description
With an output power of 3 W and a hermetically sealed ceramic package, this pump laser is designed for high brightness with reliable and robust packaging and is available with a thermistor and a monitor photodiode.
The butterfly package has a Peltier cooler for chip temperature control and a thermistor for temperature monitoring. This module is pigtailed using a step-index fiber with a 0.15 or 0.22 numerical aperture, with a 105 µm core diameter and is compliant with Telcordia GR-468-CORE.
Key features
- Laser welded and epoxy free
- Peltier cooler
- Built-in thermistor
- Hermetically sealed
- Telcordia GR-468-CORE compliant
Specifications
Name | Value |
---|---|
Wavelength | 808 nm |
Output power | Min: 3 W |
Center wavelength | I = Iₒₚ, Min: 798 nm, Typ: 808 nm, Max: 818 nm |
Operating voltage | I = Iₒₚ: Max: 2.3 V |
Operating current | P = Pₒₚ: Max: 4.5 A |
Threshold current | Typ: 0.6 A, Max: 0.8 A |
Wavelength drift vs temperature | Typ: 0.3 nm / ° C |
Spectral width | 17dB down from peak: Typ: 6 nm |
PD reverse voltage | Max: 16 V |
TEC current | Max at ∆T = 35° C, P = Pₒₚ: 4 A |
TEC voltage | Max at ∆T = 35° C, P = Pₒₚ: 5.5 V |
PD current | Min: 0.1 mA |
Operating case temperature | Min: 0° C, Max: 60° C |
Thermistor resistance | T = 25°C, Min: 9500 Ω, Typ: 10000 Ω, Max: 10500 Ω |
Themistor β coefficient | 0 / 50°C: Typ: 3892 |
Fiber type | Step index |
Fiber jacket material | PVDF |
Numerical aperture | Typ: 0.22, Max: 0.24, See ordering info |
Fiber core diameter | Min: 102 μm, Typ: 105 μm, Max: 108 μm |
Fiber cladding diameter | Min: 123 μm, Typ: 125 μm, Max: 128 μm |
Fiber buffer diameter | Min: 235 μm, Typ: 250 μm, Max: 265 μm |
Fiber jacket diameter | Typ: 900 μm |
Fiber jacket length | From end of boot, Min: 75 nm, Max: 95 nm |
Pigtail length | Min: 1 m |
Pinout
Pin | Description | Pin | Description |
---|---|---|---|
1 | TEC+ | 14 | TEC- |
2 | Thermistor | 13 | Case GND |
3 | Monitor PD anode | 12 | NC |
4 | Monitor PD cathode | 11 | Laser cathode |
5 | Thermistor | 10 | Laser anode |
6 | Monitor PD cathode | 9 | Laser cathode |
7 | Monitor PD anode | 8 | NC |
Maximum ratings
Absolute Maximum Ratings | Min | Max |
---|---|---|
Storage temperature | -40° C | +85° C |
Operating case temperature | -20° C | +70° C |
Laser forward current | 4.5 A | |
Laser reverse voltage | 2 V | |
Photo diode photo current | 10 mA | |
Photo diode reverse voltage | 16 V | |
TEC current | 5 A | |
TEC voltage | 6 V | |
Thermistor current | 2 mA | |
Thermistor voltage | 5 V | |
Lead soldering time | 10 s | |
Lead soldering temperature | 250° C | |
Fiber pull force | 5 N | |
Fiber bend radius | 35 nm | |
ESD (human body model) | 500 V |
Ordering information
Model | EM339 | ||
---|---|---|---|
Wavelength | Power | Numerical Aperture | |
Specification | 808 nm | 3 W | 0.22 |