HEADWALL PHOTONICS has a brag-sheet in Laser Focus World on the use of its technology on the Khirbet Qeiyafa inscription:

Headwall spectral imager helps decipher 10th century B.C. Hebrew text

February 6, 2009--Spectral instrumentation manufacturer Headwall Photonics (Fitchburg, MA) announced that its Hyperspec short-wave infrared (SWIR) spectral imaging instrumentation was used by archeologists from the Israel Antiquities Authority to analyze five lines of text found on an ancient shard of pottery that dates back 3,000 years in history. The inscribed pottery shard, known as an ostracon, was scanned and imaged in the range of 1000 to 2500 nm.

[...]

Background here and follow the links back. And there's more on the technology here.