In this interview conducted at Pittcon 2024 in San Diego, we spoke to Richard Crocombe about his journey in the field of spectroscopy, focusing on the development of portable spectrometers and their transformative potential in wearable health and fitness technologies.
Sponsored Content by Pittcon Reviewed by Danielle Ellis, B.Sc.Jul 18 2024 insights from industryRichard Crocombe PrincipalCrocombe Spectroscopy Consulting
I joined a telecom optics company that had developed many miniature optical technologies. We created a near-infrared spectrometer with all of the optics on a small chip. Following that, I worked for other companies and used a variety of other miniature technologies. As these instruments are deployed in various settings, people say, "Can you do X? Can you do Y? We would like to do this." Manufacturers often revisit their processes, developing new databases, calibrations, algorithms, and sampling techniques. However, the core technology remains the same, allowing for new applications.
The portable Raman instruments are approximately half the size of a brick. Some are even smaller than that, and they perform better than their predecessors. This is quite an achievement for the instrument companies and the engineers. They have also expanded the range of applications by incorporating libraries.
Multispectral sensors are now cheap enough to be incorporated into consumer goods. Prototypes already exist that integrate spectroscopic sensors into a robot vacuum cleaner. This allows you to determine the kind of surface it is on, such as carpet, tile, wood, etc. Therefore, it can adjust its operating parameters accordingly. It can also spot stains and notify you to brush a bit longer in those areas.
The Holy Grail is optical, noninvasive blood glucose sensing, eliminating the need for finger sticks. People have been working on this for several decades. It is a very difficult problem. However, newer photonic technologies have the potential to help solve these problems. We may see products in clinical trials in just a few years.
What do you find most valuable about attending and speaking at conferences such as Pittcon, especially regarding the sharing of knowledge in the field of spectroscopy? What sets this conference apart is the diverse range of attendees. Here, the major instrument companies showcase the latest instrument developments. A large proportion of people from chemical pharmaceutical-related industries and academics also attend this conference.
What are you most looking forward to at Pittcon 2024 in San Diego? The weather here is much better than in Chicago. The environment around the Convention Center is also very nice. I find it quite refreshing to visit the West Coast, and I must say, the convention center is rather pleasant.
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