Welcome to Block Engineering, a leader in gas analysis and chemical detection technology since 1956.

Latest News: Block Engineering Deploys PORTHOS Chemical Detection Systems for Japanese Olympics

For over 60 years, Block Engineering has been developing mid-infrared chemical detection instruments. Our industry-leading quantum cascade laser analyzers and mid-IR laser sources offer the widest tuning range and fastest chemical analysis on the market today. Block's compact QCL module also offers OEM customers new choices for integration into their own imaging and sensing products.