1532.68nm 10mW DFB Laser Diode for C2H2 Acetylene Detection
Product Description
Product Detail
The 1532.68nm 10mW DFB Laser Diode for C2h2 acetylene detection module is a cost effective, highly coherent laser diode. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14PIN butterfly package with TEC,isolator and PD Built in.
Features
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser;
Industry-standard 14PIN butterfly package;
Built-in TEC and optical isolator.
Applications
Fiber optic sensors;
Acetylene sensing;
Laser sources.
Electro-Optical Characteristics(T=25℃)
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Center wavelength | λc | TL=15～35℃ CW | 1531.68 | 1532.68 | 1533.68 | nm |
| Optical output power | PO | - | 10 | - | - | mW |
| Threshold current | ITH | - | - | - | 20 | mA |
| Operating current | IOP | PO= 10 mW (CW) | - | - | 100 | mA |
| Spectral linewidth | LW | - | - | 10 | MHz | |
| Laser forward voltage | VF | CW output power 10mW | - | - | 2.5 | V |
| Monitor dark current | ID | - | - | - | 0.2 | uA |
| Side-mode suppression ratio | SMSR | CW | 35 | 40 | - | V |
| Optical isolation | - | 30 | - | - | dB | |
| Thermistor resistance | RTH | TL = 25℃ | 9.5 | 10 | 10.5 | KΩ |
| TEC Current | ITEC | TL = 25℃, TC = 70℃ | - | - | 1.5 | A |
| TEC Voltage | VTEC | TL = 25℃, TC = 70℃ | -2.5 | - | 3.5 | V |
| Wavelength temperature coefficient | Δλ/ΔT | TEC temperature at 15℃ to 35℃ | - | 0.09 | - | nm/℃ |
| Wavelength current coefficient | Δλ/ΔΙ | - | - | 0.01 | - | nm/mA |
Package drawing&PIN-OUT Definition(Unit:mm)-telecom-pin
| PIN | Description | PIN | Description |
| 1 | Thermistor | 14 | NC |
| 2 | Thermistor | 13 | Laser Anode(+) |
| 3 | LD Cathode(-) | 12 | Laser Cathode(-) |
| 4 | PD Anode (+) | 11 | Laser Anode(+) |
| 5 | PD Cathode(-) | 10 | NC |
| 6 | TEC(+) | 9 | Case Ground |
| 7 | TEC(– ) | 8 | Case Ground |
Package Drawing&PIN-OUT Definition(Unit:mm)-pump-pin
| PIN | Description | PIN | Description |
| 1 | TEC(+) | 14 | TEC(– ) |
| 2 | Thermistor | 13 | Case Ground |
| 3 | PD Monitor Anode (-) | 12 | NC |
| 4 | PD Monitor Cathode (+) | 11 | Laser Cathode (-) |
| 5 | Thermistor | 10 | Laser Anode (+) |
| 6 | NC | 9 | NC |
| 7 | NC | 8 | NC |
Deliver,Shipping And Serving
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
FAQ
Q: Do you have any other wavelengths available?
A: We can provide C band or L band wavelength.
Q: Can it do more with power?
A: 20mW one is optional.