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Description

The OPTOMAN PP-UVFS-25.4-4.0-DM71-AR114 is a premium ion beam sputtered (IBS) dichroic mirror engineered for efficient wavelength separation in Nd:YAG laser systems. Designed to reflect 355 nm while transmitting 532 nm and 1064 nm at a 45° angle of incidence, it delivers excellent optical efficiency, low absorption, and outstanding resistance to laser-induced damage.

Manufactured on a high-quality Corning 7980 UV fused silica substrate, this 25.4 mm diameter mirror combines exceptional surface quality, precise flatness, and durable IBS coatings for reliable performance in demanding industrial, scientific, and research applications. Its sharp spectral transition and long-term coating stability make it an ideal solution for harmonic separation, laser beam routing, and multi-wavelength optical systems.

PP-UVFS-25.4-4.0-DM71-AR114 IBS Dichroic Mirror for 355 nm Reflection and 532 nm 1064 nm

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Specifications

Substrate Material: UV-grade Fused Silica (UVFS)
Shape: Circular
Diameter: 25.4 mm
Thickness: 4 mm
Clear Aperture (CA): 90 %
Optimized AOI: 45 – 45 deg
High Reflection Wavelength: 355 – 355 nm
High Transmission Wavelength: 532 – 1064 nm
Reflectance, S1 (@ HR Wavelength, @ AOI): 98 – 98 %
Surface Quality, S1 (scratch-dig): 20-10
Surface Quality, S2 (scratch-dig): 20-10
Surface Flatness Over CA, S1 (@633nm Or Per Manufacturer): <= Lambda/4
Surface Flatness Over CA, S2 (@633nm Or Per Manufacturer): <= Lambda/4
Manufacturer Part Number (MPN): PP-UVFS-25.4-4.0-DM71-AR114
FindLight SKU: FL-24648

Got questions about specs? Use the inquiry form to ask.

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Features

  • Manufacturer Part Number: PP-UVFS-25.4-4.0-DM71-AR114
  • Optimized for 45° angle of incidence
  • Reflectance >98% at 355 nm
  • Transmission >98% at 532 nm and 1064 nm
  • Premium Ion Beam Sputtered (IBS) dielectric coating for superior durability and spectral stability
  • Corning 7980 UV fused silica substrate with excellent UV transmission
  • Diameter: 25.4 mm ±0.1 mm
  • Thickness: 4.0 mm ±0.1 mm
  • Surface quality: 20-10 scratch-dig
  • Surface flatness: λ/4 @ 633 nm over the clear aperture
  • Clear aperture: 23 mm
  • Parallelism: <3 arcmin
  • High laser-induced damage threshold exceeding 500 MW/cm² (6–8 ns pulses)
  • Low absorption and low scattering for demanding laser applications

Applications

  • Harmonic separation in Nd:YAG laser systems
  • UV laser beam steering and routing
  • Laser frequency conversion setups
  • Industrial laser processing equipment
  • Scientific spectroscopy systems
  • Fluorescence microscopy and imaging instruments
  • Laser research laboratories
  • Multi-wavelength beam combining and separation
  • Precision optical instrumentation
  • OEM laser system integration

Export & Trade Information

ECCN: EAR99
HTS Code: 9001.90.6000
Estimated US Tariff: 10%

Importing, tariffs & codes (Quick Guide) →

Frequently Asked Questions

What is the primary function of the PP-UVFS-25.4-4.0-DM71-AR114 dichroic mirror?
This mirror is designed to efficiently reflect 355 nm laser light while transmitting 532 nm and 1064 nm wavelengths, enabling precise wavelength separation in multi-harmonic Nd:YAG laser systems.
Why are IBS coatings beneficial for this mirror?
Ion Beam Sputtered coatings provide dense, environmentally stable optical layers with excellent spectral consistency, minimal absorption, high laser damage resistance, and long operational lifetime compared to conventional coating methods.
Which laser systems is this mirror compatible with?
It is optimized for Nd:YAG laser platforms that generate 355 nm, 532 nm, and 1064 nm wavelengths, making it suitable for harmonic generation, beam separation, and UV laser processing applications.
Can this mirror handle high-power pulsed lasers?
Yes. The mirror features a laser-induced damage threshold greater than 500 MW/cm² for 6–8 ns pulses, making it suitable for many high-power pulsed laser environments when operated within its specified limits.
What makes this mirror suitable for precision optical systems?
Its high-quality UV fused silica substrate, λ/4 surface flatness, excellent surface quality, precise dimensional tolerances, and stable IBS coating ensure consistent optical performance in demanding scientific and industrial applications.

Got more questions? Use the inquiry form to ask the supplier directly.

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