Title:
METHOD FOR DETECTING GAS LEAK
Document Type and Number:
Japanese Patent JPH06247398
Kind Code:
A
Abstract:
PURPOSE: To provide a method for detecting gas leaks at high sensitivity at atomic and molecular levels.
CONSTITUTION: A laser oscillator 1 is provided and an expander lens 3, a collimator lens 4 and a 45°-tilted half mirror 10 are disposed in sequence on an optical axis in front of the laser oscillator, and a receiving telescope 7 for receiving light reflected at the 45°-tilted half mirror is provided, and a light detector 8 is provided at the image forming portion of the receiving telescope, and a gas leak detector 9 is provided which receives the outputs of the light detector.
Inventors:
SAIGO MASAO
Application Number:
JP3193493A
Publication Date:
September 06, 1994
Filing Date:
February 22, 1993
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B64G1/66; G01N21/63; (IPC1-7): B64G1/66; G01N21/63
Attorney, Agent or Firm:
Akasaka Saka (2 people outside)
Previous Patent: A system and a method of detecting an object
Next Patent: AUTOMATIC FLIGHT SAFETY OPERATING DEVICE OF SPACECRAFT
Next Patent: AUTOMATIC FLIGHT SAFETY OPERATING DEVICE OF SPACECRAFT