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 |