Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Fiber optic instruments, namely, light sensing devices; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Laser detectors for leakage; Leak detectors for optical systems; Optical frequency metrology devices; Optical inspection apparatus for industrial use

Fiber optic instruments, namely, light sensing devices; Optical frequency metrology devices; Optical inspection apparatus for industrial use; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Infrared detectors for use in military, law enforcement, civil, scientific and industrial applications; Laser detectors for leakage; Leak detectors for optics