Startnow Fiber Laser Focusing Collimating Lens With Lens Holder BT240S BM114 0-6KW Raytools Laser Cutting Head

Fiber optic focusing collimating lenses and focusing tube components have important applications in fiber optic communication, fiber optic sensing, and optical instruments. The main function of these components is to focus or collimate the light emitted by the optical fiber, thereby achieving efficient optical signal transmission and accurate optical measurement.

Component Introduction

Fiber Focusing Lens

Function: Used to focus the diverging beam emitted by optical fibers onto a small spot, commonly used for coupling optical fibers with photodetectors, laser diodes, and other devices.

Type: spherical lens, non spherical lens, GRIN lens (gradient refractive index lens), etc.

Materials: Common materials include glass, quartz, plastic, etc.

Fiber Collimating Lens

Function: Used to collimate the diverging beam emitted by optical fibers into a parallel beam, suitable for long-distance transmission or applications that require parallel beams.

Type: Spherical lens, Non spherical lens, GRIN lens, etc.

Materials: glass, quartz, plastic, etc.

Focusing Lens Tube

Function: Used to fix and adjust the position and angle of the focusing or collimating lens, ensuring accurate alignment and stability of the beam.

Structure: Typically includes adjustable barrels, fixed rings, and locking devices, with some barrels equipped with fine-tuning mechanisms.

    Main Parameter

Focal Length

1. Definition: The distance at which a lens focuses or aligns a beam of light, usually measured in millimeters (mm).

2. Impact: The focal length determines the focusing size and collimation effect of the beam.

Lens Diameter

1. Definition: The physical diameter of a lens, usually measured in millimeters (mm).

2. Impact: The lens diameter affects the light flux and optical performance of the beam.

Numerical Aperture (NA)

1. Definition: A parameter that represents the focusing ability of a lens. The larger the value, the stronger the focusing ability.

2. Impact: NA affects the focusing size of the beam and the divergence angle of the collimated beam.

Refractive Index of Material

1. Definition: The optical refractive index of lens materials affects the transmission characteristics of light beams.

2. Impact: The refractive index of the material affects the focusing and collimation effects.

Selection and Installation Precautions

Lens type selection

1. Choose the appropriate lens type (spherical, non spherical, GRIN lens, etc.) according to application requirements to ensure that optical performance requirements are met.

Matching focal length and lens diameter

1. Select the appropriate focal length and lens diameter based on the parameters of the fiber and optical system to ensure effective focusing and collimation of the beam.

Tube adjustment

1. During installation, the position and angle of the lens barrel should be carefully adjusted to ensure accurate alignment and stable transmission of the light beam.

Material Compatibility

1. Ensure that the lens material is compatible with the usage environment (such as temperature, humidity, chemical environment, etc.) to avoid material aging or damage.

Cleaning and maintenance

1. Regularly clean the lenses and barrels to avoid dust and dirt affecting optical performance.

1. Fiber optic focusing collimating lenses and focusing tube components play a crucial role in optical systems. Choosing appropriate lenses and tubes, and installing and adjusting them correctly, can significantly improve the transmission efficiency and measurement accuracy of optical signals.

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