Professional Certifications
We have obtained ISO 9001 quality management system and ISO 14001 environmental management system certifications and are actively pursuing IATF 16949 International Automotive Task Force quality management system certification, laying a solid foundation for the application of LiDAR products in the automotive field.
Customized Services
We can provide customized production services for optical fiber products according to customer needs. We implement strict quality control at every stage of the manufacturing process to ensure stable and reliable product performance.
Production Equipment
We have established advanced chip packaging production lines and automatic coupling production lines. Key equipment includes: eutectic die bonding machines, fully automatic eutectic machines, parallel sealing welding machines, TO automatic sealing machines, OSA automatic transmitter coupling machines, and OSA automatic receiver coupling machines.
Professional Team
We maintain close collaborations with renowned research institutions and universities such as the Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Xiamen University, Shenzhen University, Fuzhou University, and Mingde Innovation Laboratory, bringing together a group of experts and technical personnel with long-term experience in optical device research and development.
|
Model Number |
DFB-2.5G-1310-A |
|
Brand |
Belycomm |
|
Type |
Laser Diode (DFB type) |
|
Package |
5.6mm TO-CAN coaxial package, surface mount |
|
Origin |
Fujian, China |
|
Fiber type |
SM G657A |

Characteristics of Analog Laser Diode
Single-frequency operation
The grating structure ensures emission at a single wavelength, crucial for applications like high-speed data transmission and spectroscopy.
Narrow linewidth
These lasers emit light with a very limited spectral width, enhancing resolution and reducing noise in sensitive measurements.
Temperature stability
The built-in feedback mechanism provides remarkable resistance to wavelength drift due to temperature changes.
Mode-hop-free tuning
Analog laser diode s can be tuned over a small wavelength range without abrupt frequency jumps, allowing for precise control.
Compact integration
Analog laser diode s can be miniaturized and integrated into photonic circuits and modules.
|
Parameter |
Symbol |
Testcondition |
Min |
Typ |
Max |
Unit |
|
Threshold current |
Ith |
CW |
- |
- |
25 |
mA |
|
Operating current |
Iop |
CW |
- |
- |
100 |
mA |
|
Input impedance |
Zin |
IF=Iop |
- |
50 |
- |
Ω |
|
Thermistor |
RT |
@+25℃ |
9.5 |
10 |
10.5 |
kΩ |
|
Thermistor temperature coefficient |
@+25℃ |
- |
-4.4 |
- |
%/℃ |
|
|
Central wavelength |
lc |
CW, IF=Iop |
- |
1310 /1550 ITU-T |
- |
nm |
|
Output optical power |
PF |
CW, IF=Iop, |
10 |
mW |
||
|
SMSR |
SMSR |
CW, IF=Iop |
35 |
- |
- |
dB |
|
Relative noise intensity |
RIN |
100MHz-3GHz |
-150 |
dB/Hz |
||
|
Monitor current |
Im |
- |
10 |
- |
200 |
uA/mW |
|
Optical isolation |
- |
30 |
dB |
|||
|
Bandwidth |
S21 |
DMLD-15 -06 -10 -18 |
6 10 18 |
- |
- |
GHz |
|
Return wave consumption |
S11 |
8 |
dB |
|||
|
Input 1dBpower compression point |
P1dB |
15 |
dBm |
Analog laser diode is a laser in which the whole resonator is made up of a pattern in the laser host material that functions as a distributed Bragg reflector throughout the range of wavelengths of laser activity. The device features various axial resonator modes, although one mode is commonly preferred in respect of any loss.
Analog laser diodes have an anti-reflection coating on one side of the cavity and a strong reflectivity coating on the other. As a consequence, the anti-reflection coated side creates the grating and scattered mirrors, while the reflecting side makes the other mirror. It is designed to reflect just a restricted wavelength band, resulting in a single spatial lasing phase.




Optic Communication
Analog laser diodes are frequently utilized in the telecommunications sector due to their smooth and adjustable wavelength control, low noise, and narrow spectral width. The precision and stability of analog laser diodes enhance the reliability and efficiency of these advanced optical communication systems.
Undersea Applications
The mysterious ocean hides many secrets, and to explore and monitor these depths, advanced signal processing techniques are employed. Analog laser diodes are a crucial component of these techniques, providing reliable and efficient communication channels. UWC is utilized in diverse applications such as undersea monitoring, observing marine life, detecting oil and natural gas sources, and issuing early warnings for tsunamis.
Sensing
Analog laser diode-like tiny linewidth lasers are also utilized in sensing applications where an extremely thin linewidth is required. In gas sensing, these lasers are employed to measure the signal of absorbing gases with high precision. By adjusting the wavelength of the analog laser diode, the system can detect minute changes in the gas concentration, providing accurate and reliable data.
Medical Uses
Analog laser diodes are also commonly used in the medical industry due to their small size, low cost, and ease of use. These characteristics make them ideal for modest soft tissue treatments. Analog laser diodes are currently employed in a wide range of medical fields, from dentistry for precise tissue removal and cavity detection, to spectroscopy for analyzing biological samples, and photosensitizer treatment for targeted cancer therapy.
Telecommunication
Analog laser diodes are used globally for enhanced telecommunication due to their stable outputs. They propagate narrow bandwidth spectrum lines that benefit the telecommunication industry by reducing signal distortion and improving clarity. It is ideal for fast and reliable data transmission in telecommunication, supporting high-speed internet and secure communications.
Sensing and Metrology
Analog laser diodes emit wavelengths that are stable and coherent, therefore facilitating metrology applications with high precision. The stability and narrow linewidth of these lasers enhance measurement accuracy in various fields, ensuring precise calibration and high-resolution measurements. This increases the precision of metrology, reducing consumer risk and costs by ensuring the highest product quality in various industries including engineering, aerospace, manufacturing, energy, and healthcare.
Defense and Security
Analog laser diodes are popular in defense for their effective range and accurate target-detecting abilities. Their ability to emit light at specific wavelengths makes them valuable in military and security applications, where precision and reliability are crucial. Their stability during targeting provides exact imaging and sensing abilities for military activities, including surveillance, reconnaissance, and missile guidance.
Biophotonics
Analog laser diodes are employed in biophotonics applications, such as fluorescence microscopy, flow cytometry, and DNA sequencing. Their precise wavelength control and high power output enable sensitive and selective detection of biomolecules, which is critical for detailed analysis. In fluorescence microscopy, analog laser diodes provide the necessary excitation light to visualize and quantify fluorescently labeled samples with high resolution.



As one of the most professional analog laser diode manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized analog laser diode from our factory.
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