Active Optical Alignment Station

Product Specifications

Technical details and manufacturing context for Active Optical Alignment Station

Definition

The Active Optical Alignment Station is a component within an automated multi-stage lens assembly and testing system. It is responsible for the precise alignment of optical elements before they are permanently fixed. The station uses active feedback mechanisms, such as interferometers or image sensors, to measure alignment errors in real time. It then makes micro-adjustments to the lens position or orientation to achieve sub-micron accuracy. The station is designed for use in the manufacturing of optical components, where precise alignment is critical for performance. It operates within a working range of 100×100×50 mm (X/Y/Z) and provides alignment accuracy of ±0.5 μm with a resolution of 0.1 μm. Repeatability is ±0.1 μm for high-volume production. Alignment speed is adjustable between 10 and 50 mm/s. The station includes a camera with a resolution of 5–20 MP and supports light source wavelengths from 405 to 1550 nm. It operates in temperatures from 15 to 35 °C and humidity from 20% to 80% RH (non-condensing). Power supply is 100–240 V AC (50/60 Hz auto-switching), with power consumption up to 500 W. The station weighs between 150 and 300 kg, depending on configuration, and has a footprint of approximately 800×600×700 mm. Ingress protection is rated IP20–IP40 per IEC 60529, with higher ratings available for cleanroom use. Materials used include aluminum alloy for the frame and stage, stainless steel for actuator components, fused silica or optical glass for reference optics, and ceramic for bearing surfaces. The station is intended for integration into automated assembly lines. It is essential to verify model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The station positions a lens element. An integrated optical measurement system, such as a laser interferometer or a CCD camera with pattern recognition, actively probes the lens's position and orientation. The measurement data is fed to a control system, which calculates any deviation from the target alignment. Actuators, such as piezoelectric or motorized stages, are then commanded to make precise corrective adjustments to the lens holder. This active feedback loop continues until the alignment meets the specified tolerance.

Common Materials

Aluminum alloy (frame/stage), Stainless steel (actuator components), Fused silica/optical glass (reference optics), Ceramic (bearing surfaces)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Working Range (X/Y/Z)	100×100×50 mm	Standard travel; custom ranges available
Alignment Accuracy	±0.5 μm	Closed-loop feedback ensures repeatability
Resolution	0.1 μm	Encoder resolution for fine positioning
Repeatability	±0.1 μm	For high-volume production
Alignment Speed	10–50 mm/s	Adjustable for process optimization
Camera Resolution	5–20 MP	Higher resolution for finer features
Light Source Wavelength	405–1550 nm	Selectable for different optical components
Operating Temperature	15–35 °C	Stable temperature for thermal drift control
Humidity Range	20–80 % RH	Non-condensing
Power Supply	100–240 V AC	50/60 Hz auto-switching
Power Consumption	≤500 W	Includes cameras and motion controllers
Weight	150–300 kg	Depends on configuration
Footprint (L×W×H)	800×600×700 mm	Approximate; varies with options
Ingress Protection	IP20–IP40	For cleanroom use, higher IP availableIEC 60529

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

Precision Multi-Axis Stage
Holds and provides fine, motorized positioning of the lens element in multiple degrees of freedom (e.g., X, Y, Z, θx, θy).

Material: Aluminum alloy, ceramic bearings
Active Feedback Sensor
Measures the current position/orientation of the lens. Common types include laser interferometers, autocollimators, or high-resolution CCD/CMOS cameras with telecentric optics.

Material: Fused silica (lenses), silicon (sensor)
Control System & Actuators
Processes sensor data, calculates correction vectors, and drives the stage actuators (e.g., piezoelectric, voice coil, stepper motors) to achieve alignment.

Material: Electronic components, piezoelectric ceramics, neodymium magnets
Rigid Mounting Frame
Provides a stable, vibration-damped mechanical foundation to isolate the sensitive alignment process from external disturbances.

Material: Granite or polymer concrete, damped aluminum

Manufacturers of Active Optical Alignment Station

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Frequently Asked Questions

What is the working range of the Active Optical Alignment Station?

The standard working range is 100×100×50 mm in the X, Y, and Z axes. Custom ranges may be available upon request from the manufacturer.

What alignment accuracy can be achieved?

The station provides alignment accuracy of ±0.5 μm with closed-loop feedback. Repeatability is ±0.1 μm for high-volume production.

What types of optical measurement systems are used?

The station can integrate laser interferometers or CCD cameras with pattern recognition to actively probe the lens position and orientation.

What are the environmental operating conditions?

The station operates in temperatures from 15 to 35 °C and humidity from 20% to 80% RH (non-condensing). Ingress protection is IP20–IP40 per IEC 60529, with higher ratings available for cleanroom use.

Data Basis

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pressure:	Atmospheric pressure only (no pressure control)
other spec:	Cleanroom Class 1000 or better, vibration isolation < 0.5 μm RMS, humidity 40-60% RH
temperature:	15°C to 30°C (operational), 10°C to 40°C (storage)

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