1653nm DFB Laser Diode For CH4 Sensing
Product Description
Product Detail
1. Introduction of 1653nm DFB Laser Diode For CH4 Sensing
The 1653nm DFB Laser Diode For CH4 Sensing delivers reliable,Stable wavelength and high power output,With collimating lens. This single longitudinal mode laser is designed specifically for gas sensing applications targeting Methane(CH4). The narrow linewidth output improves application performance across a wide range of operating conditions.
2. Features of 1653nm DFB Laser Diode For CH4 Sensing
Imported DFB chip, built-in TEC and NTC;
Stable wavelength and high power output;
Small package;
With collimating lens.
3. Application of 1653nm DFB Laser Diode For CH4 Sensing
Laser gas analysis and detection system.
4. Absolute Maximum Ratings of 1653nm DFB Laser Diode For CH4 Sensing
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Storage temperature | Ts | - | -40 | - | 85 | ℃ |
| Operating case temperature | Top | - | -20 | - | 70 | ℃ |
| Laser forward current | IF | CW | - | 120 | - | mA |
| Laser reverse voltage | VLR | - | - | - | 2 | V |
| Lead welding temperature/Time | Tsld | - | - | 260/10 | - | ℃/s |
5. Electro-Optical Characteristics(T=25℃) of 1653nm DFB Laser Diode For CH4 Sensing
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Peak wavelength | λ | ITH = 35mA | 1652.7 | 1653.7 | 1654.7 | nm |
| Optical output power | PO | CW | 5 | - | - | mW |
| Threshold current | ITH | CW | - | 10 | 15 | mA |
| Operating current | IOP | CW, 5mW | - | 40 | - | mA |
| Side-mode suppression ratio | SMSR | CW, 5mW | 35 | 40 | - | dB |
| Spectral width(20dB) | ∆λ | CW, 5mW | - | 0.2 | - | nm |
| Wavelength stability | λS | CW,5mW,25℃ | -0.1 | - | 0.1 | nm |
| Wave. temp. coefficient | Δλ/ΔT | 15℃ to 35℃ | - | 0.1 | - | nm/℃ |
| Wave. current coefficient | Δλ/ΔΙ | - | - | 0.01 | - | nm/mA |
| Thermistor | Rth | Ttherm = 25℃ | 9.5 | 10 | 10.5 | kΩ |
6. Package drawing&PIN-OUT Definition(Unit:mm) of 1653nm DFB Laser Diode For CH4 Sensing
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PIN Designations PIN Designations 1 TEC(-) 8 TEC(+) 2 Thermistor(+) 7 Thermistor(-) 3 LD(+) 6 LD(-) 4 PD(+) 5 PD(-)
7. Deliver,Shipping And Serving of 1653nm DFB Laser Diode For CH4 Sensing
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.
8. FAQ
A: A type, B type or other.
Q: What is the requirement for the connector?A: Box Optronics can customize according to your requirements.