Cooled TO-CAN laser diode with fiber pigtail, designed for gas detection with stable wavelength output for TDLAS sensing and industrial monitoring applications. The cooled TO-CAN laser diode with fiber pigtail is designed for gas detection applications requiring stable wavelength output and compact integration. Featuring an integrated TEC and thermistor , this device ensures precise temperature control and stable single longitudinal mode emission.
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- Description
- Additional information
Description
Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm) Overview
The cooled TO-CAN laser diode with fiber pigtail is designed for gas detection applications requiring stable wavelength output and compact integration. Featuring an integrated TEC and thermistor, this device ensures precise temperature control and stable single longitudinal mode emission.
Available in key wavelengths such as 1273 nm, 1392 nm, 1512 nm, 1531 nm, and 1653 nm, this laser diode is optimized for gas absorption lines based on HITRAN data, enabling accurate detection of gases such as CH₄, NH₃, CO, and H₂S.
With a cost-effective TO-CAN package and fiber output, this device is ideal for OEM gas sensing modules, portable detection systems, and industrial monitoring applications.
Key Features
- Integrated TEC and thermistor for temperature control
- Stable single longitudinal mode emission
- Cost-effective TO-CAN package
- Fiber pigtail output for easy integration
- Optimized wavelengths for gas detection applications
- Telcordia GR-468 compliant
- Suitable for TDLAS sensing systems
Applications
- Laser gas analysis and detection systems
- TDLAS gas sensing modules
- Methane (CH4) detection
- Industrial gas monitoring
- Portable gas detection devices
Technical Parameters
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Ambient Operating Temperature | -20 | – | 70 | ℃ |
| Laser Operating Temperature | – | 25 | – | ℃ |
| Store Temperature | -40 | – | 85 | ℃ |
| Threshold Current (Ith) | 8 | 15 | – | mA |
| Output Power (Ith+30mA) | – | 3 | – | mW |
| Output Power (100mA) | 8 | – | – | mW |
| Slope Efficiency | – | 0.1 | – | mW/mA |
| Center Wavelength | λ-2nm | λ | λ+2nm | nm |
| Side Mode Suppression Ratio | 35 | 40 | – | dB |
| Optical Isolation | 25 | – | – | dB |
| Power Monitor Current | 100 | 300 | 1000 | μA |
| Power Monitor Dark Current | – | – | 10 | nA |
| Wave. Temp. Coefficient | – | 0.1 | – | nm/℃ |
| Wave. Current. Coefficient | – | 0.01 | – | nm/mA |
| Thermistor B constant | – | 4050 | – | K |
| Thermistor Resistance @25℃ | 9.5 | 10 | 10.5 | kΩ |
Product Size
Pin Configuration
| Pin | Symbol | Description |
|---|---|---|
| 1 | TEC+ | TEC anode |
| 2 | Rth | Thermistor |
| 3 | PD- | PD cathode |
| 4 | PD+ | PD anode |
| 5 | LD- | LD cathode |
| 6 | LD+ | LD anode |
| 7 | Rth | Thermistor |
| 8 | TEC- | TEC cathode |
Ordering Information
| Family Name | Wavelength | – | Cooled | – | Fiber | Connector | – | TO type | PIN length |
|---|---|---|---|---|---|---|---|---|---|
| LTC | 1273
1278 1512 1531 1653 |
– | 0: without TEC
1: with TEC |
– | SM
MM |
1: SC/PC
2: SC/APC 3: SC/UPC 4: FC/PC 5: FC/APC 6: FC/UPC 7: LC/PC 8: LC/APC 9: LC Receptacle X: customized |
– | 60: TO 60
56: TO 56 46: TO 46 |
00: FPC
08: 8mm 11: 11mm |
Example：
| Family Name | Wavelength | – | Cooled | – | Fiber | Connector | – | TO type | PIN length |
|---|---|---|---|---|---|---|---|---|---|
| LTC | XXXX | – | 1 | – | SM | 5 | – | 60 | XX |
- Notice：
- In gas detection, according to the absorption spectrum data provided by HITRAN, there are usually several absorption peaks for one gas. Clients should first choose the best center wavelength according to their own system needs.
| Gas Composition | Wavelength |
|---|---|
| HF | 1273nm |
| H2O | 1368nm、1392nm |
| NH3 | 1512nm、1531nm |
| C2H2 | 1532.68nm |
| CO | 1567nm |
| H2S | 1590nm |
| C2H4 | 1627nm |
| CH4 | 1650.9nm、1653.7nm |
DFB Laser Integration
For DFB laser selection, specify the target wavelength, required optical power, package, spectral characteristics and temperature-control requirements. Match the available wavelength-tuning conditions to the absorption line or optical system in the stated application.
Frequently Asked Questions
What type of photonic device is Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm)?
Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm) belongs to the DFB product family and is used for laser emission applications.
What wavelength or spectral range does Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm) use?
The specified wavelength or spectral range is 1273–1653 nm. Refer to the technical specifications above for operating conditions and applicable tolerances.
What package is available for Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm)?
The product is listed in TO-CAN format. Check the package drawing and pin or fiber details above before integration.
What applications are associated with Cooled TO-CAN Laser Diode with Fiber Pigtail for Gas Detection (1273–1653nm)?
The product is listed for Gas Sensing / TDLAS, Optical Communications. Suitability should be evaluated against the required optical and electrical specifications.
Related Technical Resources
Additional information
| Device Technology | DFB |
|---|---|
| Wavelength Band | Multi-Band / Broad Spectrum |
| Application | Gas Sensing / TDLAS, Optical Communications |
| Package Type | TO-CAN |
| Device Function | Laser Emission |
| Wavelength / Spectral Range | 1273–1653 nm |
| Optical Interface | Fiber Pigtail |
