Abstract: Disclosed is an open-flame oven comprising a housing surrounding an oven chamber for containing foodstuffs during cooking. The oven housing comprises an inner surface forming an internal wall of the oven chamber. The open-flame oven further comprises an oven mouth for accessing the oven chamber and a floor forming a base of the oven chamber for supporting foodstuffs, the oven floor extending across the oven chamber from the oven mouth. The internal wall of the oven housing comprises wall sections extending generally upwardly along lateral sides of the oven floor and an alcove in the internal wall of the oven housing adjacent the lateral side of the oven floor. The open-flame oven further comprises a gas burner arranged in the alcove adjacent the lateral side of the oven floor.

Abstract: A fiber optic acoustic sensor that detects pressure waves from all incident angles features multiple mandrels orthogonally disposed to provide omni-directional sensing capability. The topology of the mandrels prevents frequency response drop-off characteristic of cylindrical sensors at wavelengths smaller than ½ the length of the acoustic cylinder. The larger operating bandwidth and omni-directional sensing capability makes this fiber optic acoustic sensor a suitable choice for a wide range of applications.

Abstract: A fiber optic acoustic sensor that detects pressure waves from all incident angles features multiple mandrels orthogonally disposed to provide omni-directional sensing capability. The topology of the mandrels prevents frequency response drop-off characteristic of cylindrical sensors at wavelengths smaller than ½ the length of the acoustic cylinder. The larger operating bandwidth and omni-directional sensing capability makes this fiber optic acoustic sensor a suitable choice for a wide range of applications.