Broadband White Light Source

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Affordable broadband white light for visible optical spectroscopy

Output light over the wavelength range 360 nm - 900 nm

The Ossila Broadband White Light Source is a USB-C powered LED device that outputs light over the wavelength range 360 nm - 900 nm. Ultraviolet and blue LEDs are combined on a single die, and coated with phosphors with emission extending into the near infrared. This single light source allows optical spectroscopy measurements over the entire visible range.

Designed for use with the Ossila Optical Spectrometer and our range of spectroscopy equipment and accessories, the broadband white light source can be used in free space arrangement or connected to a transmission holder or cuvette holder with an optical fiber. It can also be bolted to any standard metric or imperial optical table or optical breadboard plate.

Broadband white light source and transmission holder bolted to an optical breadboard plate — The broadband white light source and transmission holder can be bolted to an optical breadboard

Optical Spectroscopy Kit

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APPLICATION NOTE

What is a Spectrometer? Types, Uses, and More

In the general sense, a spectrometer is a device that measures a continuous, non-discrete physical characteristic by first separating it into a spectrum of its constituent components. Different types of spectrometer measure different characteristics, but they are most commonly used to measure the properties of light.

View All Spectroscopy Resources

Optical spectroscopy uses light to probe the properties of materials or structures. By studying the wavelength and intensity of light that is emitted, transmitted, reflected or absorbed by a material or structure, various properties of the sample can be determined.

Specifications

Dimensions (D x W x H)	30 mm x 70 mm x 40 mm
Weight	25 g
Wavelength Range	360 nm - 900 nm (approx.)
Optical Connection	SMA 905 fibre or free space
Power	USB type-C (5 V, 70 mA)
Representative Light Output*
Spectrum with No Intensity Correction*

Spectrometer software showing white light source spectrum — Spectrometer software showing the spectrum for the Ossila Broadband White Light Source as recorded by the Ossila Optical Spectrometer*

Spectrometer software in dark mode — Spectrometer software showing the spectrum for the Ossila Broadband White Light Source as recorded by the Ossila Optical Spectrometer*

* May vary from unit to unit

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.