Pigtailed Laser Diode

Your Professional Pigtailed Laser Diode Supplier!

 

 

Xiamen Bely Information Technology Co., Ltd., established in 2004, is a high-tech enterprise specializing in the research and development, production, and sales of a variety of optical active components, passive components, and networking equipment in the field of fiber optic communications.The products are widely used in: Broadcasting and television, Mobile and satellite communications, Broadband and data centers, Security monitoring, Instrumentation, Autonomous driving, Medical, other industries.

 

 
 
Why Choose Us

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.

 

Specification

 

Model Number

BLLD-PSA2-D6140

Brand Name

Belycomm

Mounting Type

Universual type

Description

Coaxial laser diode

Type

Laser Diode

Place of Origin

Fujian, China

Package Type

Laser

Package / Case

Coaxial

Supplier Type

Original manufacturer, ODM, agency, retailer

Media Available

Datasheet, Photo

Max. Forward Voltage

2

Max. Reverse Voltage

0.8

Max. Forward Current

100

Max. Reverse Current

1

Fiber type

SM G657A

Length of fiber

Customize

Connector

SC/APC

Packing

Carton Tape

Power

1~10mW

Brand

Belycomm

 

Advantages Of Pigtailed Laser Diode

 

 

Feature

Benefit

Robust Metal Housing (IP65+)

Resists dust, moisture, and physical damage

Low Beam Divergence (<1.5 mrad)

Maintains focus over long distances

Multiple Wavelengths (405–980 nm)

Material-specific targeting and visibility

Standard Electrical Interfaces (TTL, Analog)

Easy system integration and control

 

Basic Principles of Pigtailed Laser Diode
Pigtailed laser diode is an advanced optical technology based on the principle of laser. Its core lies in the use of coaxial optical path design, so that key components such as laser emitter, working material and optical resonant cavity are all located on the same axis, thereby greatly improving the stability and directionality of the laser beam. This design not only optimizes the beam quality, but also effectively reduces the optical path difference, making the laser energy more concentrated and improving the utilization rate of the laser.
1550nm 2mW Coaxial Laser Diode

 

Pigtailed Laser Diode Operating Temperature Range
The operating temperature range is a crucial factor in determining the stability and durability of a pigtailed laser diode. Laser diodes are sensitive to thermal fluctuations, which can lead to wavelength drift, reduced output power, and shortened lifespan. For applications exposed to extreme environments—such as outdoor surveying, industrial automation, or automotive systems—select a module with a wide operating temperature range (e.g., -10°C to +60°C or broader).
Modules designed with built-in thermal management features like thermoelectric coolers (TECs) or heat sinks offer enhanced performance under variable conditions. Ensuring the laser operates within its specified temperature window helps maintain consistent beam quality, prevents thermal shutdown, and reduces the need for frequent recalibration or maintenance.
1550nm 2mW Coaxial Laser Diode

 

 
 
Applications of Pigtailed Laser Diode

Industrial Equipment and Machinery

Pigtailed laser diodes play a pivotal role in industrial automation and manufacturing processes, particularly in material processing tasks such as laser marking, engraving, and cutting. Their high beam quality and focused energy output allow for extremely precise operations on a wide range of materials—including metals, plastics, ceramics, and wood—without causing thermal damage to surrounding areas.

Construction and Manufacturing Alignment

In construction and large-scale manufacturing, pigtailed laser diodes are widely employed for alignment, leveling, and positioning applications. Their collimated, visible beams provide straight reference lines over long distances, ensuring structural precision during assembly, installation, and site preparation.

 

Medical Equipment and Surgical Systems

Pigtailed laser diodes are increasingly integrated into medical devices due to their precision, small footprint, and controllable output. These modules support both diagnostic and therapeutic applications, enabling minimally invasive procedures with enhanced patient outcomes.

Optical Devices and Communication Systems

Pigtailed laser diodes are fundamental to modern optical systems, where beam quality, stability, and alignment are paramount. Their ability to deliver a consistent, focused beam makes them ideal for scientific instrumentation, telecommunications, and sensing technologies.

 

Advantage

 

 

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Lead Time

 

Quantity (pieces)

1 - 10

11 - 100

101 - 1000

> 1000

Lead time (days)

14

21

30

To be negotiated

 

Video

 

 

Our Certificate

 

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FAQ

 

Q: Who are we?

A: We are based in Fujian, China, start from 2016,sell to Domestic Market(50.00%), Northern Europe(9.00%),Eastern Asia(8.00%), North America(6.00%), Southeast Asia(6.00%), Eastern Europe(5.00%), Western Europe(4.00%), South America(3.00%), Oceania(2.00%), South Asia(2.00%), Southern Europe(2.00%), Africa(1.00%), Central America(1.00%),Mid East(1.00%). There are total about 101-200 people in our office.

Q: Do you provide samples?

A: Yes, warmly welcome to us for sample testing.

Q: What is delivery time if we place an order?

A: It depends order quantities.Usually,we can deliver goods within 10-15 working days,for more QTY order,let's confirm when you place official order.

Q: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q: How to deal with the faulty?

A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2% Secondly,during the guarantee period, we will check the problem and confirm the solution including re-call according to real situation.

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

1550nm 2mW TEC Coaxial Laser, 635 Or 650nm 10mW Coaxial Laser, pigtailed laser diode

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