THORLABS PF20-03-M02 Infrared Enhanced Mirror Um Mod

( Brand: Thorlabs ), ( Part Type: Mirror ), ( Unit Type: Unit ), ( Manufacturer Part Number: PF20-03-M02 ), ( Country/region Of Manufacture: United States )

Review THORLABS Inch Mid infrared Enhanced Gold Mirror Um Mod

The Thorlabs PF20-03-M02 Mid-Infrared Enhanced Mirror is a high-performance optical component designed for use in the mid-infrared spectral region. This mirror is part of Thorlabs' PF Series, which is known for its superior surface quality and high reflectivity.

The mirror has a diameter of 20 mm and a flat, uncoated backside. Its front side is coated with a broadband, highly reflective, mid-infrared enhancement coating. This coating is optimized for use in the wavelength range of 2 to 20 microns and provides a reflectivity greater than 95%. This makes the PF20-03-M02 an excellent choice for applications that require high reflectivity in the mid-infrared region, such as spectroscopy, infrared imaging, and thermal imaging.

The mirror's surface quality is characterized by a root mean square (RMS) surface roughness of less than 1.5 nm (Scr) and a form error of less than /10 at 632.8 nm. This ensures that the mirror can be used in high-precision applications where surface quality is critical.

The mirror is made of zinc selenide (ZnSe), which is a commonly used material for mid-infrared applications due to its excellent optical properties in this spectral region. The mirror is also fully anti-reflective on its backside, making it suitable for use as a retro-reflective or normal-incidence mirror in various experimental setups.

The PF20-03-M02 Mid-Infrared Enhanced Mirror is shipped in a protective pouch to ensure that it arrives in pristine condition. It is also backed by Thorlabs' industry-leading warranty, which covers any defects in materials or workmanship for a period of one year from the date of purchase. Overall, this mirror is an excellent choice for researchers and engineers who require high reflectivity and superior surface quality in the mid-infrared region.

The Thorlabs PF20-03-M02 Mid-Infrared Enhanced Mirror Um20 Mod is a high-performance mirror specifically designed for use in mid-infrared applications. Here are some pros and cons that may help you in making a decision about purchasing this mirror:

1. High Reflectivity: The mirror has a high reflectivity of up to 99.5% in the mid-infrared wavelength range of 2-20 m.

2. Low Absorption: The mirror has a low absorption coefficient, which minimizes the amount of energy absorbed by the mirror, resulting in high throughput.

3. Durable: The mirror is made of high-quality zinc sulfide substrate, which is known for its durability and stability in mid-infrared applications.

4. Low Scatter: The mirror has a low scatter coefficient, which minimizes the amount of light diffused in other directions, resulting in high optical efficiency.

5. Large Size: The mirror has a diameter of 20 mm, which is suitable for many mid-infrared applications.

1. Cost: The mirror is relatively expensive compared to other mirrors due to its high-performance characteristics.

2. Fragile: The mirror needs to be handled with care due to its delicate coating and substrate material.

3. Limited Wavelength Range: The mirror is designed for use in the mid-infrared wavelength range of 2-20 m only.

The Thorlabs PF20-03-M02 Mid-Infrared Enhanced Mirror Um20 Mod is an excellent choice for applications that require high reflectivity, low absorption, and low scatter in the mid-infrared wavelength range. However, its high cost, fragility, and limited wavelength range may be considered as drawbacks. If you have a budget and application requirements that fit within these specifications, then this mirror is an excellent investment.

If you are in need of a high-performance mid-infrared mirror with a large diameter and excellent optical characteristics, the Thorlabs PF20-03-M02 Mid-Infrared Enhanced Mirror Um20 Mod is an excellent option to consider. However, if cost is a concern, or if you require a mirror with a broader wavelength range, you may want to explore other options in the market.

Details:

High Reluctance from 2 m to 20 for Angles of Incidence 45. Surface Flatness: /10 at 633 NM. THORLABS PF20-03-M02 2 MID-INFRARED ENHANCED GOLD MIRROR um - 20 MOD: This lot is for one Thorlabs Mid-Infrared Enhanced Gold Mirror. Orders are shipped to the cardholders billing address.

Power cords and power adapters are never included unless specifically mentioned. Some scuffing on backside of lens, function unaffected. This unit will arrive in the condition shown. Shipping Buyer pays for all shipping costs.

Warranty This item is guaranteed to be as described.

part #: pf2003m02 prices

• $70.99-$82.99

specifications detectoimage:

• brand: Thorlabs
• part type: Mirror
• unit type: Unit
• manufacturer part number: PF20-03-M02
• country/region of manufacture: United States

seller detectoimage:

• rating: 100.0%
• # reviews: 7210
• city: Las Vegas, Nevada

offer detectoimage:

• availability: In Stock
• options: Ship-to-home
• started: October 14, 2025
• quantity: 2
• sold: 0

returns detectoimage:

• policy: No Returns

payments detectoimage:

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

shipping detectoimage:

• class: Standard
• service: USPS Ground Advantage, UPS Ground
• cost: $7.50
• type: Calculated
• carrier: USPS, UPS
• transit: 3-7 Days

general detectoimage:

• Test, Measurement Inspection > Cameras Imaging > Other Cameras Imaging
• condition: Used

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