Tuesday, April 22, 2014

Focus on Emcore with comments from Dr. Joseph Demers, Director of Advanced Photonics



My Note: After reading about Albuquerque, NM based Emcore having received the Compound Semiconductor’s 2014 CS Industry Award for Terahertz Systems Technology, several THz patent announcements, and a partnership with LakeShore Cryotronics, I thought it was time to make contact with the principals behind THz development at Emcore. I wrote to Dr. Joseph Demers, Director of Advanced Photonics at Emcore, and asked him to let me know a little bit about Emcore's plans for developing a market niche in the growing THz marketplace. Dr. Demers was traveling but sent me the following response with a couple of PDF files relating to the current workhorse for Emcore in it's THz product line thePB7220-2000T, and the PB7220-2000RT.
Emcore is publically traded on the Nasdaq exchange under the symbol EMKR.
(Spie- Has a nice link listing Dr. Demers professional publications at this link:)

http://spie.org/profile/Joseph.Demers-91253

Hello Randy,

Thank you for contacting me.

As far as our development, we have followed a simple tenant, the less expensive the technology the more widespread it will be accepted. 
So, at Emcore, we continue to explore ways to decrease system cost while increasing the utility. We foresee the primary market being in the area of manufacturing quality control but are currently supporting researchers while we develop the manufacturing quality control market. 

Joseph R. Demers, Ph.D.
Emcore Broadband
THz and Advanced Photonics
2015 Chestnut Street
Alhambra, CA 91803-1542

Since I don't know how to seemlessly include Dr. Demers PDF files here, I include information taken from the Emcore webpage relating to the PB7200-2000T. I hope to share more information later. In the meantime, let me extend a big thanks to Dr. Demers for taking time to respond to me, and to wish private investors in Emcore, including myself good luck!

PB7200 Portable Frequency Domain Terahertz (THz) Spectrometer

EMCORE’s versatile PB7200 Spectroscopy Platform is designed for scanning complex compounds to precise specifications with greater accuracy and control. The PB7200 is ideal for THz researchers and application developers who need to study the properties of materials at THz frequencies with high-resolution, but who don’t want to design and build their own high-resolution THz spectroscopy system. It can sweep up to 2.0 THz in a single rapid scan with frequency resolution better than 0.25 GHz.

The PB7200 employs precisely tuned, fiber-coupled butterfly packaged semiconductor DFB lasers, advanced photo-mixing source and detector, and sophisticated digital control hardware and software to provide a fully turnkey laboratory THz spectrometer.

Unlike time-domain systems requiring expensive mode-locked lasers, the tunable semiconductor laser diodes in the PB7200 can support linear scans or can ‘frequency hop’ between frequencies of interest to scan specific regions of the spectrum with varying degrees of resolution. The latest ‘snap-in-place’ fiber-optically coupled source and detector heads are mounted on a rail system and configured for transmission measurements. The new terahertz heads make the PB7200 not only lighter and more compact, but easier to assemble and tear down.

The PB7200’s latest software package includes smoothing functions and background subtraction features. The software automatically downloads the calibration files from the PB7200 which makes setting up multiple computers easy.

PB7200 Portable Frequency Domain Terahertz (THz) Spectrometer

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