Mirror Mount Assembly for Laser Systems

Product Specifications

Technical details and manufacturing context for Mirror Mount Assembly

Definition

The Mirror Mount Assembly is a precision mechanical component used in laser systems to securely hold optical mirrors and adjust their position and orientation. It is a sub-component of a Laser Positioning System, ensuring that laser beams are accurately directed along predetermined paths. The assembly typically consists of a rigid base, a mirror holder, and adjustment mechanisms such as fine-pitch screws or piezoelectric actuators. By manipulating these adjustments, the mirror's pitch and yaw are controlled, altering the reflection angle of the incident laser beam. This enables precise targeting, alignment, and scanning functions essential for applications like laser cutting, engraving, metrology, and optical research. The assembly is designed for stability and precision, with materials such as aluminum alloy (6061-T6) and stainless steel. Key parameters include mirror diameter (25.4–50.8 mm), adjustment range (±5°), adjustment sensitivity (0.5 arcsec), positioning accuracy (±0.01 mm), thermal stability (±0.5 arcsec/°C), operating temperature (-20–50 °C), storage temperature (-40–70 °C), relative humidity (10–90% non-condensing), and weight (0.2–0.5 kg). The housing is black anodized per MIL-A-8625, and mounting thread is M6 per ISO 965. These values are reference ranges and must be verified with the manufacturer for specific models. The assembly is not a standalone product; it requires integration into a larger system. Proper installation and calibration are necessary for optimal performance. Regular inspection for wear, loose screws, or thermal drift is recommended. Failure to maintain the assembly can lead to beam misalignment, reduced accuracy, or system malfunction. Always consult the manufacturer's documentation for specific maintenance and verification procedures.

Working Principle

The Mirror Mount Assembly operates by providing a stable platform for an optical mirror and allowing fine adjustments to its orientation. The mirror is held in a holder, often using a kinematic or flexure design to minimize stress and ensure repeatability. Adjustment mechanisms, such as fine-pitch screws or piezoelectric actuators, control the pitch and yaw of the mirror. When the screws are turned or actuators are energized, the mirror tilts around two perpendicular axes, changing the angle of reflection for the incident laser beam. This allows precise control of the beam path. The rigid base ensures stability, while the materials and design minimize thermal drift and mechanical creep. The adjustment sensitivity of 0.5 arcsec allows very fine tuning, and the positioning accuracy of ±0.01 mm ensures repeatable placement. The assembly is designed to operate within specified temperature and humidity ranges to maintain performance.

Common Materials

Aluminum Alloy (e.g., 6061-T6), Stainless Steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Mirror Diameter	25.4–50.8 mm	Standard sizes for common laser systems
Adjustment Range (Tip/Tilt)	±5 °	Sufficient for beam alignment
Adjustment Sensitivity	0.5 arcsec	Fine thread pitch for precise alignment
Positioning Accuracy	±0.01 mm	Repeatable mirror placement
Thermal Stability	±0.5 arcsec/°C	Minimizes drift with temperature changes
Operating Temperature	-20–50 °C	Within this range, performance is guaranteed
Storage Temperature	-40–70 °C	Safe for shipping and storage
Relative Humidity	10–90 %	Non-condensing
Material (Housing)	6061-T6	Aluminum alloy for lightweight and stabilityASTM B221
Surface Finish	Black Anodized	Reduces reflection and corrosionMIL-A-8625
Weight	0.2–0.5 kg	Depends on mirror size and options
Mounting Thread	M6	Standard metric thread for mountingISO 965

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

Base Plate Part
Provides a stable, flat mounting surface for attaching the assembly to an optical table or system frame.

Material: Aluminum Alloy
Mirror Holder / Kinematic Platform
Securely clamps or adheres to the optical mirror. Often uses a kinematic (ball-groove) or flexure design to allow precise, repeatable rotation about two axes.

Material: Aluminum Alloy or Stainless Steel
Adjustment Screws (Pitch & Yaw) Part
Fine-pitch threaded rods that, when turned, apply controlled force to tilt the mirror holder platform, changing the mirror's angular orientation.

Material: Stainless Steel
Locking Screws Part
Once the desired mirror position is achieved, these screws are tightened to secure the adjustment mechanism and prevent drift.

Material: Stainless Steel
Piezoelectric Actuators Optional
Tilt the mirror platform electrically instead of by hand on the motorised build.

Applied To / Applications

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

Laser Positioning System

View system integration details

Manufacturers of Mirror Mount Assembly

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Frequently Asked Questions

What is the typical adjustment range for tip/tilt?

The typical adjustment range is ±5 degrees, which is sufficient for beam alignment in most laser systems. However, the exact range may vary by model, so verify with the manufacturer.

What materials are used in the construction?

The housing is typically made of aluminum alloy 6061-T6, and stainless steel is used for some components. The surface finish is black anodized per MIL-A-8625. These materials provide lightweight stability and corrosion resistance.

How do I ensure proper installation?

Mount the assembly on a stable surface using the M6 mounting thread. Align the mirror holder with the beam path and use the adjustment screws to fine-tune the pitch and yaw. Follow the manufacturer's instructions for torque and alignment procedures.

What maintenance is required?

Periodically check for loose screws, wear, or contamination on the mirror surface. Verify that the adjustment mechanisms operate smoothly. Monitor for thermal drift, especially in environments with temperature fluctuations. Consult the manufacturer's guidelines for specific maintenance intervals.

Data Basis

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Preliminary Technical Classification

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pressure:	Atmospheric only (non-pressurized)
other spec:	Vibration tolerance: <0.5g RMS, Humidity: 0-95% non-condensing
temperature:	-20°C to +80°C

Mirror Mount Assembly

Product Specifications

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