The following are research papers presented by Block Engineering and its staff.

• Standoff Wide Area Detection of SF6 by Means of a Passive IR Imaging Spectrometer
• Ultra-Sensitive, Versatile FTIR Spectrometer for Sub-lethal Chemical Agent Identification (pdf)
• A MEMS-Based Absorption Micro-Spectrometer for Toxic Vapor Detection and Identification (pdf)

You may also review the following press releases:

• Press Release: Block Engineering announces new PORTHOS^TM 
  (PORTable Hazard Observation System) to detect and identify dangerous chemical vapors at long distance.
• Press Release: Block MEMS Receives $2 Million Government Contract
• Press Release: Block Engineering announces new SF6 leak detection instrument.