Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 1578nm to photodiode laser for gas sensor. Operating a state-of-the-art factory, we specialize in the entire production spectrum—from high-performance chips, TO/F/C Mounts, COS, and MCC bars, to robust stacks and advanced fiber-coupled solutions.
1578nm TO Photodiode Laser for Gas Sensor
Features:
- 1578nm matching the characteristic absorption spectral lines of CO, CO₂, H₂S, perfectly adapting to TDLAS tunable laser absorption spectroscopy gas detection principle
- Standard TO packaging built-in monitoring photodiode (PD)
- Narrow spectral linewidth, low wavelength drift under current
Applications:
- Industrial TDLAS gas sensors: real-time monitoring of carbon monoxide, carbon dioxide, hydrogen sulfide for petrochemical, boiler flue gas, pipeline leakage detection
- Environmental atmospheric monitoring, urban air quality detection and greenhouse gas concentration measuring equipment
- Automotive exhaust detection, vehicle tail gas emission inspection systems
This 1578nm 300mW TO packaged laser diode integrates monitoring PD, features stable wavelength and high power output, which is specially customized for gas sensing. It is the core light source of TDLAS gas detection equipment, widely applied in industrial safety monitoring, environmental protection detection, automobile exhaust inspection and medical gas analysis fields.
Data Sheet
Item No: TO1578PD03
| Parameter | Min. | Typ. | Max | Unit. |
| Storage Temp range | -40 | +100 | ℃ | |
| Operating Temp range | -40 | +85 | ℃ | |
| Operating Relative Humidity | 5 | 85 | % | |
| Reverse Bias | 10 | V | ||
| Input Optical Power | 15 | mW | ||
| Lead Soldering Time | 15 | s | ||
| Response Spectrum | 900 | 1740 | nm | |
| Active Area Diameter | 500 | um | ||
| Reverse Breakdown Voltage | 20 | V | ||
| Bias Voltage | 3 | 5 | V | |
| Responsivity | 0.9 | A/W | ||
| Dark Current | 0.2 | 1 | nA | |
| Capacitance | 25 | pf |
Drawing:
Why Partner with Hangzhou Brandnew Technology Co., Ltd.?
"By working directly with the source, you gain a decisive competitive edge:
15
years experience
- Core Technology: Proprietary optical designs ensure industry-leading performance and strict quality consistency.
- Customize available: Our veteran engineers and flexible factory rapidly turn your custom requirements into scalable solutions, shortening your R&D cycle.
- Factory Pricing & Strict QC: From raw materials to final aging tests, our rigorous quality control guarantees maximum reliability at highly competitive, direct factory prices.
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