Patent ID: 7489397

Claim:
An apparatus for measuring ozone in the atmosphere, comprising: (a) a fiber optic cable having a first end and a second end; (b) a collimating lens having narrow field of view coupled to the first end of the fiber optic cable, wherein light from a Sun is capable of being funneled into the fiber-optic medium and is transmitted through the fiber optic cable, wherein the narrow field of view is in the range of from about 1° to about 45°; (c) a spectrometer having a ultra-violet/visible light (“UV/VIS”) channel coupled to the second end of the fiber optic cable; (d) an optical bandpass filter coupled to the fiber optic cable; and (e) a pan-and-tilt positioning unit having a pan-axis capable of tracking an azimuth angle of the Sun, and a tilt-axis capable of tracking an elevation angle of the Sun, wherein pan-and-tilt positioning unit further comprises a means for mounting the collimating lens.