THORLABS MPD149-F01 Axis Parabolic Mirror Uv Enhanced Thor Labs

( Brand: Thorlabs ), ( Manufacturer Part Number: MPD149-F01 ), ( Type: Retroreflector Mirror ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review THORLABS Off axis Parabolic Mirror Uv enhanced Aluminum Thor Labs

The **Thorlabs MPD149-F01 UV-Enhanced Off-Axis Parabolic Mirror** is a precision-engineered optical component designed for high-performance applications in laser optics, spectroscopy, and advanced imaging systems. Crafted from a high-purity aluminum substrate, this mirror features a **90-degree off-axis design**, allowing for compact and efficient beam steering without the need for additional mounting hardware. The **f/1.0 focal ratio** ensures optimal focus and minimal aberrations, making it ideal for collimating or focusing ultraviolet (UV) and visible light beams with exceptional accuracy. Thorlabs proprietary **UV-enhanced coating** optimized for wavelengths as low as **200 nm** maximizes reflectivity across a broad spectral range while maintaining durability against UV degradation, ensuring long-term reliability in demanding environments. The mirror s **high-quality polished surface** and **low surface roughness** minimize scattering and enhance beam quality, making it suitable for applications requiring precise beam manipulation, such as laser diode collimation, beam expansion, or optical system alignment. With a **1-inch (25.4 mm) clear aperture**, it accommodates a wide range of beam diameters while maintaining structural integrity. Thorlabs rigorous quality control guarantees consistent performance, with each mirror tested for reflectivity, surface flatness, and alignment accuracy. Whether used in research laboratories, industrial laser systems, or optical instrumentation, this mirror delivers uncompromising precision and versatility, making it an indispensable tool for engineers and scientists seeking superior optical performance.

### **Pros and Cons of the Thorlabs MPD149-F01 90 Off-Axis Parabolic Mirror (UV-Enhanced)**

1. **High Reflectivity Across a Broad Spectrum** The UV-enhanced coating ensures excellent reflectivity from the UV range ( 200 nm) through the visible and into the near-infrared ( 10 m), making it suitable for a wide range of optical applications, including laser systems, spectroscopy, and imaging.

2. **Off-Axis Design** The 90 off-axis configuration avoids the central obstruction found in on-axis parabolic mirrors, reducing stray light and improving beam quality in collimated or focused applications.

3. **High Precision and Stability** Thorlabs is known for manufacturing optical components with tight tolerances, ensuring consistent performance and minimal aberrations. The mirror s alignment and surface quality contribute to reliable optical performance.

4. **Durability and Coating Protection** The UV-enhanced coating is designed to withstand exposure to ultraviolet light without significant degradation, making it ideal for applications involving high-power or pulsed lasers.

5. **Compatibility with Thorlabs Mounting Systems** The mirror is designed to fit standard Thorlabs kinematic mounts (e.g., KM100 series), allowing for easy integration into existing optical setups with minimal adjustments.

6. **Versatility in Optical Systems** Suitable for applications such as beam steering, focusing, collimation, and coupling into optical fibers. Its large aperture (1 inch) also accommodates higher power densities without excessive heating.

7. **Minimal Chromatic Aberration** Parabolic mirrors inherently reduce chromatic aberrations compared to spherical mirrors, providing consistent focus across different wavelengths.

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1. **Cost** As a high-precision optical component from a reputable manufacturer, the MPD149-F01 is relatively expensive compared to generic or lower-quality alternatives. The UV-enhanced coating adds to the cost, which may not be necessary for all applications.

2. **Limited Availability of Replacements** Thorlabs components are proprietary, and finding third-party replacements or compatible alternatives can be challenging, potentially increasing long-term maintenance costs.

3. **Sensitivity to Misalignment** Off-axis parabolic mirrors require precise alignment to maintain optimal performance. Improper mounting or misalignment can lead to beam distortion or loss of focus.

4. **Size and Weight** The 1-inch diameter and substantial thickness make this mirror bulkier than smaller optical elements. This may pose challenges in compact or portable setups.

5. **Potential for Surface Scratches or Contamination** Like all optical surfaces, the mirror is susceptible to scratches, dust, or coatings if not handled carefully. Thorlabs provides cleaning instructions, but improper handling can degrade performance.

6. **Overkill for Low-Power or Narrowband Applications** If your application only requires reflectivity in a very specific wavelength range (e.g., a single laser line in the visible spectrum), a simpler or less expensive mirror (e.g., aluminum-coated) may suffice without the UV enhancement.

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### **Conclusion**

The **Thorlabs MPD149-F01 90 Off-Axis Parabolic Mirror (UV-Enhanced)** is a high-quality, versatile optical component ideal for applications demanding broad spectral reflectivity, precision, and durability. Its off-axis design reduces stray light, and the UV-enhanced coating ensures longevity under harsh conditions. However, its cost, proprietary nature, and physical size may make it less suitable for budget-conscious or compact setups where simpler alternatives could work.

### **Recommendation**

- You require a **broadband, high-reflectivity mirror** for UV, visible, or near-IR applications.

- Your setup demands **minimal stray light and precise beam control**, such as in laser systems, spectroscopy, or optical trapping.

- You are already using **Thorlabs components** and value compatibility with their mounting systems.

- The **increased durability of the UV-enhanced coating** justifies the higher cost for your specific use case.

- Your budget is tight, and you only need reflectivity in a **narrow wavelength range** (e.g., a single laser line). A standard aluminum-coated parabolic mirror may suffice.

- You require a **smaller or more compact** mirror for portable applications.

- You are open to **third-party manufacturers** that offer similar performance at a lower cost (though quality may vary).

For most **high-end optical research, laser systems, or applications requiring UV resistance**, the MPD149-F01 is a strong, reliable choice. For simpler or cost-sensitive applications, evaluating lower-cost alternatives is advisable.

Details:

Made by Thorlabs, a trusted brand known for producing top-notch optical components, this unit is specifically crafted off-axis reflections with 90 parabolic design. With its unique UV-enhanced aluminum construction, this mirror offers excellent performance in various lighting conditions. The THORLABS MPD149-F01 90 Off-Axis Parabolic Mirror is a high-quality retroreflector mirror designed for use in industrial automation and motion control systems. Made in the USA, this product ensures precision and reliability a range of applications requiring precise positioning reflection capabilities.

part #: mpd149f01 price

• $119.99

specifications linactuat:

• brand: Thorlabs
• mpn: Mpd149-f01
• type: Retroreflector Mirror
• unit type: Unit
• country of origin: United States

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > XY Rotary Positioning Stages
• condition: Used

returns linactuat:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days
• method: Money back

offer linactuat:

• started: March 25, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

seller linactuat:

• # reviews: 1848
• city: Orlando, Florida
• rating: 100.0%

shipping linactuat:

• service: Standard
• transit: 5-12 Days
• type: Fixed
• class: Standard
• cost: $0.00

payments linactuat:

• other
• credit card: Visa
• wallet: Paypal

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