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

We invite you to explore our Oil and Gas, Security and Safety, and Research and OEM Laser products.

For over 60 years, Block Engineering has been a leader in mid-infrared 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 gas sensing and surface analysis products.