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What about imported laser diodes? What are the advantages of imported laser diodes? {Longstar Technology}
   22.9.2025    Source:http://www.longstartech.com.cn/

We all know that imported laser diodes still occupy a certain share in the market. Although they are more expensive than domestically produced laser diodes, for enterprises targeting high-end products, imported laser diodes are the best choice. Today, let me tell you about the quality of imported laser diodes and their advantages.


1. What about importing laser diodes?


Imported laser diodes generally exhibit more stable performance, longer lifespan, and higher reliability. The primary reasons for this are:


1. Mature technology: Countries such as Europe, America, Japan, and South Korea started early in the field of semiconductor lasers, and their chip design and packaging technology are more advanced.


2. Strict quality control: Imported brands typically have a comprehensive quality inspection system, and each product undergoes extensive testing before leaving the factory.


3. Rich application experience: Imported products are widely used in high-end fields such as optical communication, medical treatment, and industrial processing, and have been verified through extensive practice.


Therefore, imported laser diodes are often used in scenarios where the requirements for light sources are stringent, such as scientific research instruments, medical equipment, precision testing, optical communication systems, and so on.


II. Advantages of importing laser diodes


In comparison, the advantages of imported laser diodes are primarily manifested in the following aspects:


1. Better optical performance


Good monochromaticity: High wavelength consistency, suitable for scientific research and communication.


Excellent beam quality: small divergence angle, uniform light spot, conducive to high-precision measurement.


Stable output: Small power fluctuations ensure reliable detection and transmission results.


2. Long service life


Imported laser diodes typically maintain stable operation for thousands to tens of thousands of hours, which is much longer than some low-end domestic products.


This is crucial for industrial equipment that requires long periods of continuous operation.


3. High stability and reliability


Strong temperature adaptability: It can still work stably in high temperature or complex environments.


Good anti-static design: perfect internal protection measures, stronger anti-interference capability.


4. Rich options for power and frequency band selection


Imported brands (such as QSI) offer a wide range of products with various wavelengths (red, green, blue, and infrared) and different power levels, catering to needs ranging from low-power sensing to high-power industrial processing.


5. Adapt to high-end applications


Imported laser diodes are commonly found in:


Fiber-optic communication and data center


Medical instruments (laser surgery, beauty equipment)


Scientific research experiments (spectral analysis, 3D detection)


Industrial automation (laser marking, ranging sensing)


These scenes demand extremely high stability from the light source, and imported laser diodes are better suited for the task


Imported laser diodes are more suitable for high-end, precise, and long-duration operation applications.


They have advantages in optical performance, stability, and lifespan, but they are also relatively more expensive.


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