UV Dichroic Mirror UV Dichroic Filter

Ultraviolet dichroic mirrors are specialized optical filters that play an indispensable role in manipulating and isolating UV light. Constructed from UV-transparent substrate materials and dielectric thin-film coatings, they are engineered to reflect UV wavelengths while transmitting visible and longer wavelengths precisely.

 

Our new UV-Shield Dichroic Mirror blocks over 99 percent of damaging ultraviolet light while allowing visible light to pass through, keeping your sensitive optics and samples safe. The mirror's multi-layer dielectric coating reflects UV wavelengths from 280-400nm but transmits over 90 percent of visible light. Available in 1-3 inch diameters, it maintains peak performance for thousands of hours. With a 45-degree angle of incidence, the UV-Shield Dichroic Mirror provides precise, durable UV rejection. For custom dichroic designs or more information, contact our engineers to see how our innovative mirror can protect against UV degradation.

 

- Reflects over 99 percent of UV light from 280-400nm

- Maintains over 90 percent transmission of visible light

- Multi-layer dielectric coating for precise UV rejection

- 45 degree angle of incidence

- Available in 1", 2" and 3" diameter sizes

- High laser damage threshold

- Durable coating maintains performance for thousands of hours

- Precisely blocks UV while transmitting visible

- Customizable dimensions and coatings available

- Optimized for use with sensitive optics, coatings, and samples

- Protects against UV degradation and damage

 

	>99 percent (280-400nm)
	>90 percent
	280nm
	45 degree
	1", 2", 3" diameters
	-40 degree to 80 degree
	Multi-layer dielectric

 

- Fluorescence microscopy

- Laser filtering

- UV curing/lamp safety

- Sensor protection

- UV spectroscopy

- Solar simulation

- UV photolithography

- UV disinfection

- Biologic research

 

In fluorescence microscopy, a dichroic mirror is critical in exciting the fluorescent sample and capturing the resulting emission for detection. The mirror precisely reflects shorter wavelength excitation light through the objective to stimulate the piece while allowing the longer wavelength fluorescent emission to pass through the mirror and into the eyepiece or camera. This selective reflection and transmission separates excitation from emission light, improving contrast and signal strength. Excitation light would overwhelm the weaker fluorescence signal without the dichroic mirror to filter wavelengths. The mirror's ability to efficiently direct excitation to the sample and transmit only the emission enables high-quality fluorescence imaging. Dichroic mirrors thus provide essential wavelength discrimination in fluorescence microscopy systems.

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