FOCUS / NEWPORT 8301NF Picomotor Actuator New Focus/newport

( Brand: Focus / Newport ), ( Manufacturer Part Number: 8301NF ), ( Part Type: Actuator ), ( Stroke Length: 12.5mm )

Review FOCUS / NEWPORT New Picomotor Actuator Focus/newport Used Tested

The **Newport 8301NF Picomotor Actuator** is a high-precision, ultra-fine motion control solution designed for demanding applications where sub-micron accuracy, reliability, and seamless integration are paramount. Engineered by Newport Corporation, a leader in precision optics and motion control systems, this actuator combines cutting-edge picomotor technology with robust mechanical and electronic design to deliver unmatched positioning performance. The 8301NF is specifically tailored for applications requiring ultra-fine adjustments, such as laser alignment, optical interferometry, microscopy, and other scientific or industrial processes where even the slightest misalignment can compromise results. Its compact yet sturdy construction ensures compatibility with a wide range of optical benches, microscopes, and automated systems, while its low-profile design minimizes interference with adjacent components. At the heart of the 8301NF lies Newport s proprietary picomotor technology, which leverages the piezoelectric effect to achieve motion resolution as fine as **0.1 nanometers** far surpassing traditional stepper or voice coil actuators. This level of precision is enabled by the actuator s ability to generate incremental displacements with near-instantaneous response times, making it ideal for real-time feedback systems and closed-loop applications. The 8301NF is equipped with a **non-magnetic, corrosion-resistant** housing, ensuring compatibility with sensitive environments, including those exposed to vacuum or controlled atmospheres. Its integrated **piezoelectric stack** driver delivers smooth, jitter-free motion without the mechanical backlash or resonance issues commonly associated with conventional actuators. The actuator s **direct-drive design** eliminates the need for gears or belts, reducing wear and extending operational lifespan while maintaining consistent performance across millions of cycles. For enhanced usability, the 8301NF features a **T-mount interface**, allowing for quick and secure attachment to optical components, and its **low-profile design** (just **12.7 mm** in height) ensures it fits seamlessly into space-constrained setups. The actuator is also backward-compatible with Newport s extensive range of controllers, including the **8300 Series Picomotor Controller**, which provides intuitive software integration, programmable motion profiles, and real-time monitoring capabilities. Whether deployed in a research laboratory for high-precision imaging, a semiconductor manufacturing facility for wafer alignment, or an astronomical observatory for telescope focusing, the 8301NF delivers the precision, repeatability, and durability required to meet the most exacting standards. With its combination of nanometer-level resolution, minimal hysteresis, and seamless integration with Newport s ecosystem of motion control solutions, this actuator stands as a cornerstone for applications where perfection in positioning is non-negotiable.

### Pros and Cons of buying a Newport 8301NF Picomotor Actuator Focus

1. **Precision and Control** The Newport 8301NF is a high-precision picomotor actuator designed for fine adjustments in optical and scientific applications. It provides sub-nanometer resolution, making it ideal for experiments requiring extreme accuracy, such as laser alignment, microscopy, or interferometry.

2. **Compact and Modular Design** The actuator is part of Newport s modular line, meaning it can be easily integrated into existing setups. Its compact size allows for installation in tight spaces without sacrificing performance.

3. **High Repeatability** Picomotors are known for their exceptional repeatability, ensuring consistent positioning over multiple cycles. This is crucial for long-term experiments where drift or inconsistency could compromise results.

4. **Low Stiction and Backlash** Unlike traditional stepper motors, picomotors use a piezoelectric mechanism, which eliminates backlash and reduces stiction, leading to smoother and more reliable motion.

5. **Software Integration** The actuator can be controlled via Newport s software (e.g., Newport s Motion Controller or third-party interfaces like LabVIEW or Python), allowing for automated adjustments and scripting for complex experiments.

6. **Durability and Longevity** Piezoelectric actuators are generally robust and have a long operational lifespan, especially when used within their specified load and environmental limits.

7. **Compatibility with Newport Ecosystem** If you already use Newport components (e.g., stages, mounts, or controllers), this actuator will seamlessly integrate with your existing hardware, reducing compatibility issues.

8. **Fine Adjustment Capability** The ability to make incremental adjustments (as small as picometers) is invaluable for applications like wavefront shaping, beam steering, or sample positioning in high-resolution imaging.

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1. **High Cost** Picomotor actuators are significantly more expensive than traditional stepper or voice coil actuators. The Newport 8301NF is a premium product, and the price may be prohibitive for budget-conscious users or small labs.

2. **Limited Load Capacity** While the 8301NF is designed for fine adjustments, it has a relatively low load capacity (typically in the range of grams to a few hundred grams, depending on the specific model and configuration). Heavy or rigid loads may require additional support or a different actuator type.

3. **Environmental Sensitivity** Piezoelectric actuators can be sensitive to temperature fluctuations, humidity, and electrical noise. Extreme conditions may require additional shielding or environmental controls to maintain performance.

4. **Complex Setup and Calibration** Achieving optimal performance often requires careful calibration and tuning. Users may need technical expertise or support from Newport to ensure the actuator operates as intended.

5. **Power Requirements** Picomotors typically require a stable power supply and may need additional drivers or controllers, adding to the system complexity and cost.

6. **Wear and Fatigue Over Time** While durable, piezoelectric materials can degrade over time with repeated high-stress cycles. This may limit the actuator s lifespan in applications with frequent or heavy use.

7. **Learning Curve** Operating and programming picomotors may require familiarity with motion control software and principles of piezoelectric actuation, which could be a barrier for users without prior experience.

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The Newport 8301NF Picomotor Actuator Focus is an excellent choice for applications demanding sub-nanometer precision, repeatability, and fine control. Its advantages in terms of accuracy, modularity, and integration with Newport s ecosystem make it a valuable tool for optical, scientific, and industrial applications where traditional actuators fall short. However, the high cost, limited load capacity, and sensitivity to environmental factors may pose challenges for some users, particularly those with budget constraints or less demanding requirements.

If your project involves high-precision alignment, automated adjustments, or experiments where even minor positional errors are unacceptable, the 8301NF is a justified investment. For applications where cost or load capacity is a primary concern, alternatives like stepper motor-based actuators or voice coil actuators might be more suitable.

- You require sub-nanometer precision and repeatability.

- Your application involves optical alignment, microscopy, or interferometry.

- You are already using Newport components and need seamless integration.

- Budget constraints are not a limiting factor, and the long-term benefits justify the higher cost.

- Your budget is limited, and cost-effective solutions (e.g., stepper motor actuators) can meet your precision needs.

- Your application involves heavy or rigid loads that exceed the actuator s capacity.

- You lack the technical expertise or resources to properly calibrate and maintain the system.

For most high-end optical or scientific applications, the 8301NF is a reliable and superior choice, but careful consideration of your specific requirements is essential.

Details:

Price is for each unit. Works perfectly as driven by a New Focus 8732 Picomotor multi-axis driver I'm currently selling units of these well. Has the threaded adaptor for mounting in a fixture or linear slide like Newport 423. It has better than 30 NM resolution with minimal backlash over a 0.5 inch 12.7mm travel range, and can exert 5 lb.

Photos show pictures of both units, they are essentially indistinguishable. This is an older New Focus model Picomotor actuator. 2 units available.

part #: 8301nf prices

• $245.00-$400.00

specifications linactuat:

• brand: Focus / Newport
• mpn: 8301nf
• part type: Actuator
• stroke length: 12.5mm

seller linactuat:

• rating: 100.0%
• city: San Diego, California
• # reviews: 704

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Linear Actuators
• condition: Used

payments linactuat:

• other
• credit card: Mastercard
• wallet: Apple-pay

returns linactuat:

• policy: No Returns

shipping linactuat:

• carrier: USPS
• cost: $8.10
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• transit: 3-9 Days

offer linactuat:

• quantity: 2
• availability: In Stock
• started: February 18, 2026
• best offers: True
• options: Ship-to-home
• sold: 0

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