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Front Surface Mirrors, Mirror Optics

Overview of our reflective optical coatings

 

What are front surface mirrors?

Front surface mirrors are used, whenever a good optical imaging quality and a high optical reflection are required. The main difference compared to ordinary backside coated mirrors is, that the reflective thin film coating is coated on the top surface of a glass substrate. This means, the incident light is reflected directly by the first surface of the mirror, without first having to pass through a glass two times. By this the reflected image stays free of ghosting and retains a much higher optical image quality.

In contrary to a front surface coated mirror, the coating of a conventional mirror is located on the backside of a glass substrate. This is resulting in a poor optical imaging quality, because the secondary reflection, which is caused by the uncoated glass surface and which the image to be reflected has to pass twice, overlays the original image with an image of lower intensity. The result is a blurry, imprecise picture. This unwanted imaging error is completely avoided with our high quality optical front surface mirrors, which in addition feature a much better reflectivity, flatness and imaging quality than conventional back surface coated mirrors can offer.

Below, please find a list of links to our standard reflective mirror coatings that will guide you to the respective data-sheets and which contain technical information and specfications such as optical properties and reflection characteristics. Click on a headline to view each data-sheets:

 

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SEA-VIS Enhanced Aluminum Front Surface Mirror (VIS)

The SEA-VIS are aluminum coated front surface mirrors with an additional dielectric over coatings. They are economically priced, technical grade mirror optics optimized for best reflectivity in the visible range. They represent are a perfect solution for machine vision, office machines, projection- and laser applications. They are economically priced optics that help to keep the cost under control. The SEA-VIS coating is applied to the surface of a selected mirror-grade float glass substrate. The SEA-VIS is the best choice for large volume applications in the visible spectrum. At most thicknesses, the SEA-VIS is available at large dimensions so that optics at a large size are possible. Various standard thicknesses in the range from 0,5 mm to 6 mm are always produced. more...

 

SEA-NIR Enhanced Aluminum Front Surface Mirror (NIR)

Our SEA-NIR aluminum mirror has the same construction principle as the SEA-VIS, but it is using different dielectric layers to enhance the reflectivity for the near infrared wavelength range. They are coated on selected float glasses. The SEA-NIR front surface mirror also represents an economically priced alternative to gold mirrors for near infrared or infrared applications. It offers an IR-reflection, which is similar to gold coated optics. more...

 

SEA-UV Protected Aluminum Front Surface Mirror (UV-VIS-IR)

The SEA-UV aluminium coated mirror has a single, ultra thin, protective SiO2 over coating. This protective quartz layer is only some nanometers thick and allows UV-wavelengths to pass to the aluminum thin film to be reflected. These first surface mirrors are primarily designed to reflect ultraviolet wavelengths, but they are reflecting in the infrared region too. Hence, the SEA-UV is a good solution if an applications requires a mirror with broadband reflectivity. The SEA-UV mirror is coated on mirror grade glass. more...

 

SHP-D High Reflection Front Surface Mirror for polarized light (VIS)

Our SHP-D mirror is based on dielectric coatings which allows an enormous reflectivity in the visible range. It is made to reflect S- & P-polarized as well as unpolarized light at a wide range of incidence angles. For some applications it is a good replacement for silver coated mirrors. Due due to the dielectric design it is not as sensitive and soft as silver mirrors are and the SHP-D can be operated at higher operating temperatures. This front surface mirror is based on a heat resistant borosilicate glass substrates. more...

 

SHP Silver Metal Front Surface Mirror (VIS)

The SHP is a silver metal coated front surface mirror. Silver offers a very strong and broadband reflectivity for polarized & unpolarized light at a broad range of incidence angles. Many optical measuring devices make use of our SHP silver-metal-mirror. more...

 

SHR High Reflection Dielectric Front Surface Mirror (VIS)

Our SHR mirror is a highly efficient optical front surface mirror with a 100 % dielectric construction. The mirror offers a strong reflectivity for unpolarized light and can be a good solution for low-loss laser applications at relatively low cost. The 100 % dielectric layer mirror coating is deposited on quality borosilicate glass. more...

 

SHD Dielectric Cold Mirror (VIS)

The SHD cold mirror is a heat-permeable, dielectric mirror, often utilized for lighting applications. It filters out the infrared wavelengths by transmiting the heat energy at 0° incidence and reflects the visible spectral range very efficiently at 45° incidence. The SHD is also utilized as a high reflection front surface mirror. The mirror has a temperature resistant substrate. more...

 

DST Beamsplitter / Partially transmitting Mirrors (VIS)

Our DST beamsplitters are largely color neutral, partially transmissive mirrors with an anti-reflection coating on the back surface. They have a reflecting coating on one side and an antireflection coated back side. They are often used for reference measurement setups and for splitting images. Due to their low absorbance, non-metallic construction they are an ideal choice for laser beamsplitter or beam combiners for up to medium laser powers. The DST500 can be made up to a size of approximately 635mm x 810mm. more...

 

SIR Dielectric Heat Reflecting Hot Mirror

Our SIR is a highly efficient heat / light separating mirror. It transmits the visible wavelength range and is highly reflective for the near infrared spectrum. The mirror layers are deposited on borosilicate glass which is temperature resistant and offers a high surface quality. Because the coating is directly deposited on the top surface, for some applications (for example eye-tracking) the SIR can work as a front surface mirror for NIR-radiation which at the same time is transparent for visible light. more...

 

SIR-IR Dielectric Hot Mirror, Extended Blocking Range, Series

The SIR-IR is a broadband infrared blocking heat reflecting mirror that generally works the same way the SIR does. However, it is optimized for a wider band of IR-reflection while still maintaining a good visible transmittance. Hence, the SIR-IR offers the best technically possible compromise. We use borosilicate glass substrates for this coating. more...

 

SUV Dielectric Ultraviolet Cold Mirror

The dielectric SUV mirror coatings are constructed to reflect the ultraviolet light range. The first surface mirrors offer heat transmission while they reflect ultraviolet light and are made mainly for for lighting use. The SUV is based on a borosilicate glass substrates. more...

 

Spy Mirrors, "One-Way-Mirrors", TDS-Series

The TDS mirror has partially transmitting coatings, that under special contrast conditions appears to be transparent from only one side. This mirror is new in our delivery program and the chrome layer which the TDS is based on, is located on the surface of a floatglass substrate. more...

 

Can't find the front surface mirror you are searching for on our web site?

Don't hesitate to request your individual quotation for your custom made mirror optics! We can customize each mirror in regards to the cut-on or cut-off points on a per coating run order basis. We can use other materials and add or modify each thin film layer system to create almost any custom coating (gold, chrome, other metal or dielectric coatings) to your exacting requirements. For additional information, help and free and support, just click here.

Note: We do not coat mirrors based on acrylic or plastic substrates as acrylic usually can't offer the optical quality that is possible with glass substrates. Also, acrylic does not withstand higher thermal loads. Hence, we generally only coat glass. Also, we don't make normal backside mirrors for non-optical use at all. All of the mirror series listed on our web site are available within our 48h-Express Optics Service. So, shipping within two business days after receipt of order is possible (view details here). Worldwide express shipping is possible on request.