Collimating Lens System

Product Specifications

Technical details and manufacturing context for Collimating Lens System

Definition

The Collimating Lens System is a component used in optical assemblies, particularly within laser alignment modules, to convert divergent or convergent light beams into parallel (collimated) beams. This ensures that laser beams travel with minimal divergence over distance, which is critical for precise targeting and measurement in alignment applications. The system typically employs one or more lenses made from optical glass such as BK7 or fused silica, with anti-reflective coatings to enhance transmittance. Key parameters include a clear aperture of 10–50 mm, focal length of 20–100 mm, numerical aperture of 0.15–0.50, collimation accuracy of ±0.05 mrad, transmittance of 95–99%, operating wavelength of 400–700 nm, operating temperature range of -20 to 60 °C, storage temperature range of -40 to 85 °C, ingress protection rating of IP54–IP65 (per IEC 60529), lens material BK7 (per ISO 12123), and weight of 50–200 g. These values are reference ranges and must be verified for the specific model and application. The system is designed for use in controlled environments and may require periodic cleaning and alignment checks. Failure to maintain proper alignment or cleanliness can degrade performance. Always confirm model-specific specifications and standards with the legal manufacturer or supplier before procurement.

Working Principle

The collimating lens system uses one or more lenses with specific curvatures and arrangements to refract incoming light rays. Divergent rays from a laser source enter the lens system and are refracted by the lens elements so that their paths become parallel to each other, creating a collimated beam with minimal divergence over distance. The lens design, including focal length and numerical aperture, determines the system's ability to capture and collimate light effectively. Anti-reflective coatings reduce optical losses, and the system's performance is influenced by factors such as wavelength and temperature. Proper alignment of the lenses is essential to achieve the specified collimation accuracy.

Common Materials

Optical glass (e.g., BK7, Fused Silica), Anti-reflective coating materials

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clear Aperture	10–50 mm	Determines the maximum beam diameter that can be collimated.
Focal Length	20–100 mm	Affects beam divergence and system length.
Numerical Aperture	0.15–0.50 NA	Higher NA captures more light but increases aberration.
Collimation Accuracy	±0.05 mrad	Residual beam divergence after collimation.
Transmittance	95–99 %	Higher transmittance reduces optical loss.
Operating Wavelength	400–700 nm	Visible range; other ranges available on request.
Operating Temperature	-20–60 °C	Outside this range, optical performance may degrade.
Storage Temperature	-40–85 °C	Non-operating survival range.
Ingress Protection	IP54–IP65 IP	Protection against dust and water jets.IEC 60529
Lens Material	BK7	Standard optical glass; other materials available.ISO 12123
Weight	50–200 g	Depends on size and housing material.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Collimating Lens Element Part
Primary optical element that refracts light to create parallel rays.

Material: Optical glass with anti-reflective coating
Lens Housing Part
Mechanical structure that holds and aligns lens elements precisely.

Material: Aluminum alloy or stainless steel
Adjustment Mechanism
Allows fine-tuning of lens position for optimal collimation.

Material: Precision machined metal components

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Laser Alignment Module

View system integration details

Manufacturers of Collimating Lens System

Manufacturer profiles associated with Collimating Lens System.

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Frequently Asked Questions

What is the primary function of a collimating lens system?

The primary function is to convert divergent or convergent light beams into parallel (collimated) beams, ensuring minimal divergence over distance for precise laser alignment and measurement.

What materials are typically used in this lens system?

Optical glass such as BK7 or fused silica is used for the lenses, with anti-reflective coatings applied to reduce optical losses. The specific material and coating should be confirmed with the manufacturer.

What are the key parameters to consider when selecting this component?

Key parameters include clear aperture, focal length, numerical aperture, collimation accuracy, transmittance, operating wavelength, temperature ranges, ingress protection, and weight. These values are reference ranges and must be verified for the specific model.

How should I verify the performance of this component?

Verify model-specific specifications and standards with the legal manufacturer or supplier. Conduct optical tests under controlled conditions to confirm collimation accuracy and transmittance within the specified ranges.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Atmospheric to 2 bar
other spec:	Wavelength range: 400-1600 nm, Beam divergence: <0.5 mrad
temperature:	-20°C to +60°C (operating), -40°C to +85°C (storage)

Product Specifications

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