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HR Broadband Mirrors

HR Broadband Mirrors

Wavelength range

190 – 3000 nm


5 – 200 mm


Round, rectangular

Surface quality, S-D


Surface flatness, P-V

<λ/8 @ 632.8 nm*




>1 J/cm² @ 1064 nm, 10 ns, 10 Hz**

*depending on size         **higher values possible

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Typical Items for HR Broadband Mirrors

Wavelength, nm Dimensions, mm AOI, ° Substrate material Reflectance, % Product ID
400-700 Ø25.4x6 45 BK7 Ravg >99.0 1-OS-1-0254-6-[2A45]
700-950 Ø25.4x6 45 BK7 Ravg >99.0 1-OS-1-0254-6-[2B45]
900-1200 Ø25.4x6 45 BK7 Ravg >99.0 1-OS-1-0254-6-[2E45]
350-1100 Ø25.4x6 0-50 UVFS Ravg>97% @ 350-370 nm;
Rabs>99% @ 370-1100 nm

                                    MEASURED LIDT VALUES

HR broad band mirrors (BBHR) provide optimized reflectivity in a certain wavelength range and angle of incidence (AOI), or a range of AOIs. Broad band mirrors are a perfect solution for laser systems that provide a broad spectrum range. These mirrors are optimized to reflect over 99% of light at 0° or 45° at a broad range of wavelengths. They are used with broad-band sources such as Ti:Sapphire or OPA based lasers.

Ultra-broadband dielectric mirrors (UBBHR) have high reflectance in the whole range of 350-1100 nm and show high average reflectance over a wide range of angles of incidence (0°-50°). These features make ultra-broadband dielectric mirrors a good choice to replace three or more conventional laser line mirrors, especially those designed for Nd:YAG and its harmonics.

We design mirrors in-house to meet your desired specifications and we have some stock substrates to make coatings for your high-performance optics.  Every coating batch is tested to confirm reflectivity values.   Contact us and let us know about your needs; we have the technical knowledge and capabilities to fulfill them.

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