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Antiques appraiser Guan Haisen is using technology from Ocean Optics in China’s Beijing Antique City to separate authentic ceramic antiques from fake ones.

Haisen is employing a LIBS system with a QE65000 spectrometer to help him to identify artificially aged ceramics and artefacts.

The LIBS system uses a laser to ‘burn’ away a very tiny area (invisible to the naked eye) of the object under test, causing a plasma to form.

The plasma is then analysed for the key elements of interest, such as chemicals used to simulate the process of aging.

The entire test takes less than 30 seconds.

LIBS analysis is said to bring a level of technical accuracy to antique identification.

In selecting a system for this relatively new application, the accuracy of the spectrometer and software were very important to Haisen.

Portability and accuracy in the field were also important considerations as the appraiser often travels to the object, rather than delicate items being shipped to the laboratory.

In addition, Ocean Optics’ flexibility enabled Haisen to design a new configuration for the LIBS system, essentially creating an entirely new product specifically for his needs.

LIBS systems are used in a variety of other applications, such as RoHS screening, gem origin determination and elemental determinations in mixed powders.

Ocean Optics – Inventor of Miniature Fibre Optic Spectrometers

Interpreting the interaction with light

Ocean Optics is a diversified electro-optics technology company and a global leader in solutions for optical sensing – fundamental methods of measuring and interpreting the interaction of light with matter.

Worldwide sales and support

With locations in the United States, Europe and Asia, the company serves a wide range of markets and enabled diverse applications in medical and biological research, environmental monitoring, life science, science education, and process and quality control.

Our extensive product line

With the nearly 1,500 unique products in our portfolio, we are able to assist you with virtually any optical sensing need. Our line of products include spectrometers, optical sensors, metrology instrumentation, light sources, sampling accessories, fibres and probes.

Our OEM capabilities

Do you have a great idea for a commercial product that uses optics? Build on our success and bring your unique product to volume markets. Our specialised OEM engineering team will work closely together with your engineering team to ensure the best set-up for your demands.

Our success

Recognized as the inventor of miniature fibre optic spectroscopy, we’ve sold more than 150,000 spectrometers worldwide since 1989. As a result of the dramatic reduction in size and cost, applications once deemed too costly or impractical using conventional spectrometers were not only feasible, but practical. Nowadays our spectrometers can be found anywhere: on treetops in jungles, on oil rigs at sea, on rocket ships in space and even inside the human body.

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