Focus/Tracking Actuator for Laser Systems

Product Specifications

Technical details and manufacturing context for Focus/Tracking Actuator

Definition

The Focus/Tracking Actuator is a critical component within Laser Assembly systems, responsible for dynamically adjusting the position of lenses or mirrors to ensure the laser beam maintains precise focus on the target and corrects for any tracking deviations during operation. It enables high-precision applications by compensating for thermal drift, mechanical vibrations, and target movement. This actuator is typically used in laser cutting, welding, marking, and other precision optical systems where maintaining beam alignment is essential. The actuator operates based on electromagnetic principles, using voice coil, piezoelectric, or stepper motor mechanisms to generate precise linear or rotational motion. It responds to control signals from a feedback system that often includes position sensors such as encoders or capacitive sensors. The actuator's performance is characterized by parameters such as stroke, resolution, repeatability, response time, operating voltage, power consumption, operating temperature, ingress protection, body material, and weight. These parameters are provided as reference ranges and must be verified for the specific model and application. The actuator is designed to operate within a temperature range of -10 to 50 °C, with an ingress protection rating of IP54 to IP65, and is typically powered by a 12-24 V DC supply. The body is made of Aluminum 6061, which is lightweight and corrosion-resistant. The actuator may include neodymium magnets, copper windings, and piezoelectric ceramics as part of its construction. For proper selection, it is important to consider the required stroke, resolution, and response time, as well as the environmental conditions and mounting interface. Verification of model-specific values and standards should be conducted with the legal manufacturer or supplier.

Working Principle

The actuator uses electromagnetic forces to generate precise motion. In a voice coil mechanism, a coil of copper wire is placed in a magnetic field created by neodymium magnets. When current flows through the coil, it experiences a force proportional to the current, causing linear motion. Piezoelectric actuators use ceramics that deform when voltage is applied, providing very fine positioning. Stepper motors convert digital pulses into discrete rotational steps. A feedback system, using sensors like encoders or capacitive sensors, monitors the position and sends control signals to adjust the actuator, ensuring the optical element is correctly positioned for focus and tracking.

Common Materials

Neodymium magnets, Copper windings, Aluminum alloy housing, Piezoelectric ceramics

Technical Parameters

Parameter	Typical range	Notes & selection driver
Stroke	±0.5–±2.0 mm	Determines the range of focus adjustment.
Resolution	0.1–1.0 μm	Smallest step for precise positioning.
Repeatability	±0.05–±0.5 μm	Consistency of positioning over multiple cycles.
Response Time	1–10 ms	Time to reach 90% of commanded position.
Operating Voltage	12–24 V DC	Standard industrial supply voltage.
Power Consumption	1–5 W	At continuous operation.
Operating Temperature	-10–50 °C	Extended range may require special materials.
Ingress Protection	IP54–IP65	Higher rating for dusty or wet environments.IEC 60529
Body Material	Aluminum 6061	Lightweight and corrosion-resistant.ASTM B221
Weight	50–200 g	Depends on stroke and force rating.

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

Voice coil Part
Generates electromagnetic force for motion by interacting with permanent magnets

Material: Copper windings, neodymium magnets
Position sensor
Provides feedback on actual actuator position to the control system

Material: Optical encoder strips, capacitive sensors
Moving platform
Holds the optical element and translates actuator motion

Material: Aluminum alloy, beryllium copper
Flexure bearings
Provides precise, frictionless guidance while constraining degrees of freedom

Material: Spring steel, beryllium copper
Piezoelectric Actuators Optional
Ceramic elements that deform under voltage for very fine positioning.
Stepper Motors Optional
Convert digital pulses into discrete positioning steps.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Focus/Tracking Actuator.

Applied To / Applications

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

Laser Assembly

View system integration details

Manufacturers of Focus/Tracking Actuator

Manufacturer profiles associated with Focus/Tracking Actuator.

Sourcing Focus/Tracking Actuator from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the typical stroke range for this actuator?

The stroke range is typically ±0.5 to ±2.0 mm, but this depends on the specific model and application. Always verify with the manufacturer.

What is the resolution and repeatability?

Resolution is typically 0.1 to 1.0 μm, and repeatability is ±0.05 to ±0.5 μm. These values are reference ranges and must be confirmed for the actual model.

What are the operating voltage and power consumption?

The operating voltage is typically 12-24 V DC, and power consumption is 1-5 W during continuous operation. Check the datasheet for exact values.

What is the operating temperature range?

The operating temperature range is -10 to 50 °C. Extended ranges may require special materials. Verify with the supplier for your environment.

Data Basis

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

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Focus/Tracking Actuator

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Atmospheric (non-pressurized)
other spec:	Max vibration: 5g, Max acceleration: 10g, Positioning accuracy: ±0.5μm
temperature:	-10°C to +60°C

Focus/Tracking Actuator

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards