Light path coupling system for miniature fibre-optical spectrum instrument with constant temp. and wavelength correction function

The utility model discloses a light path coupling system for the miniature fibre-optical spectrum instrument with the constant temperature and the wavelength correction function, compising optical fibers and cables with two division ends and one combination end, a sealing constant barn, a temperature control system, a light collector to be analyzed and an optical collimator to be analyzed. The utility model can collect the light to be analyzed which is used for the spectral analysis after the light passes through samples further, and the utility model leads in the miniature fibre-optical spectrum instrument. The utility model can make the miniature fibre-optical spectrum instrument worked in the state of the constant temperature. The utility model solves the temperature floating problem of the miniature fibre-optical spectrum instrument. The utility model can go on with wavelength correction for the miniature fibre-optical spectrum instrument at any time. The utility model solves the table distance difference problem of the miniature fibre-optical spectrum instrument wavelength and the problem of the wavelength shift.