What is a SelfFocusing Wavelength Division Lens?

A selffocusing wavelength division lens is a highperformance optical element specifically designed for separating and collimating light beams of different wavelengths. Its unique gradient refractive index design ensures outstanding performance in wavelength division and collimation, making it widely used in various passive optical devices, especially in wavelength division multiplexing (WDM) and demultiplexing devices in fiber optic communication systems.

Features of the SelfFocusing Wavelength Division Lens

2.1 High Wavelength Division Performance

The selffocusing wavelength division lens achieves efficient separation of different wavelength beams through its internal gradient refractive index design. Its precise light control capability ensures that each wavelength beam is collimated and separated with minimal loss, enhancing the overall performance of fiber optic communication systems.

2.2 Excellent Collimation Performance

In addition to efficient wavelength division, the selffocusing wavelength division lens can also accurately collimate the separated light beams. Its high collimation performance ensures that the light beams remain stable and consistent during transmission, reducing signal attenuation and distortion, and ensuring highquality signal transmission.

2.3 Compact Design

Compared to traditional wavelength division and collimation optical elements, the selffocusing wavelength division lens features a compact design, allowing it to play a significant role in spaceconstrained optical systems. Its compact structure not only saves space but also makes system integration more flexible and convenient.

2.4 Easy Assembly

The cylindrical structure and end face processing of the selffocusing wavelength division lens make the installation and alignment process more straightforward. Users can quickly complete the installation and adjustment of the lens, significantly reducing time and labor costs, making it ideal for optical systems requiring rapid deployment.

Applications of the SelfFocusing Wavelength Division Lens

3.1 Wavelength Division Multiplexers and Demultiplexers

In WDM systems, the selffocusing wavelength division lens can efficiently separate and collimate multiple wavelength light signals, thereby increasing the capacity and quality of optical signal transmission. In demultiplexers, the lens can separate multiwavelength signals into individual wavelength signals for further processing.

3.2 Fiber Optic Sensors

The selffocusing wavelength division lens also has important applications in fiber optic sensors. By separating and collimating different wavelength signals, it enables precise monitoring of various environmental parameters. Its high performance and reliability provide strong support for the development of fiber optic sensing technology.

3.3 Passive Optical Devices

In various passive optical devices, such as optical isolators, optical circulators, and optical splitters, the selffocusing wavelength division lens enhances the working efficiency and signal transmission quality of these devices through its excellent wavelength division and collimation performance.

Performance of the SelfFocusing Wavelength Division Lens

4.1 Performance Indicators

VY Optics’ selffocusing wavelength division lens undergoes strict quality control to ensure each lens has excellent optical performance and mechanical stability. Key performance indicators include high wavelength division efficiency, low insertion loss, and high transmission efficiency.

4.2 Surface Quality

When observed under a 20x magnifier, the surface of the selffocusing wavelength division lens should have no obvious defects, ensuring that imaging quality and wavelength division performance are not affected by surface imperfections.

4.3 Standard Lens Parameters

  • Numerical Aperture (N.A.): 0.46, 0.60
  • Diameter: 1.0mm, 1.8mm, 3.0mm
  • Pitch (P): 0.23, 0.25, 0.29, etc.
  • Wavelength: 630nm, 780nm, 830nm, 1060nm, 1310nm, 1550nm, 980/1550nm, 1250~1650nm

4.4 Coating

The end faces of the selffocusing wavelength division lens can be coated with antireflection coatings to reduce light energy loss, protect the lens surface, and prevent moisture, chemical reactions, and physical damage.

Contact Us

For more information about VY Optics’ selffocusing wavelength division lens or to order products, please contact our sales team. We will provide you with professional technical support and highquality product services to help your optical systems achieve optimal performance.

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