Abstract: The present disclosure relates to a non-contact type security inspection and method, the system including: a laser source for emitting probe light beams which penetrate through a container or a packaging and are irradiated onto an inspected object contained in the container or the packaging; an optical collection device for collecting an exciting light excited by the probe light beams on the inspected object; a spectrum analyzer for analyzing spectral characteristics of the exciting light collected by the optical collection device so as to determine characteristics of the inspected object; and a shielding apparatus for preventing at least part of the exciting light excited by the probe light beams on the container or the packaging from entering an induction area of the optical collection device.

Abstract: An embodiment of the present disclosure provides a spectrum inspecting apparatus. The apparatus includes a laser source; a focusing cylindrical lens configured to converge a light beam onto a sample; a light beam collecting device configured to collect a light beam signal, which is excited by the light beam, from the sample, so as to form a strip-shaped light spot; a slit configured to receive the collected light beam and couple it to downstream of a light path; a collimating device; a dispersing device configured to disperse the collected light beam so as to form a plurality of sub-beams having different wavelengths; an imaging device configured to image the sub-beams on the photon detector array respectively, wherein the light beam emitted from the laser source has a rectangular cross-section, the strip-shaped light spot impinges on the slit and its length is smaller than a length of the slit.

Abstract: A Raman spectrum inspection apparatus and a security monitoring method for a Raman spectrum inspection apparatus are provided. The Raman spectrum inspection apparatus includes: a laser device configured to emit an exciting light; an optical device configured to guide the exciting light to an object to be detected and collect a light signal from the object; a spectrometer configured to split the collected light signal to generate a Raman spectrum of the object; and a security detector configured to detect an infrared light emitted from the object.

Abstract: The present disclosure relates to a non-contact type security inspection and method, the system including: a laser source for emitting probe light beams which penetrate through a container or a packaging and are irradiated onto an inspected object contained in the container or the packaging; an optical collection device for collecting an exciting light excited by the probe light beams on the inspected object; a spectrum analyzer for analyzing spectral characteristics of the exciting light collected by the optical collection device so as to determine characteristics of the inspected object; and a shielding apparatus for preventing at least part of the exciting light excited by the probe light beams on the container or the packaging from entering an induction

Abstract: A multi-resolution spectrometer, includes: an incident slit (10) configured to receive an incident light beam; a collimating device (20) configured to collimate the light beam from the incident slit; a dispersing device (30) configured to disperse the light beam collimated by the collimating device (20) so as to form a plurality of sub-beams (61, 62) having different wavelengths; an imaging device (40) and a photon detector array (50), the imaging device (40) being configured to image the plurality of sub-beams (61, 62) on the photon detector array (50) respectively, the photon detector array (50) being configured to convert light signals of the plurality of sub-beams (61, 62) imaged thereon into electrical signals for forming a spectrogram, wherein the incident slit (10) has a first slit portion (11) and a second slit portion (12), and the second slit portion (12) has a greater width than the first slit portion (11).

Abstract: An embodiment of the present disclosure provides a spectrum inspecting apparatus. The apparatus includes a laser source; a focusing cylindrical lens configured to converge a light beam onto a sample; a light beam collecting device configured to collect a light beam signal, which is excited by the light beam, from the sample, so as to form a strip-shaped light spot; a slit configured to receive the collected light beam and couple it to downstream of a light path; a collimating device; a dispersing device configured to disperse the collected light beam so as to form a plurality of sub-beams having different wavelengths; an imaging device configured to image the sub-beams on the photon detector array respectively, wherein the light beam emitted from the laser source has a rectangular cross-section, the strip-shaped light spot impinges on the slit and its length is smaller than a length of the slit.

Abstract: A Raman spectrum inspection apparatus and a security monitoring method for a Raman spectrum inspection apparatus are provided. The Raman spectrum inspection apparatus includes: a laser device configured to emit an exciting light; an optical device configured to guide the exciting light to an object to be detected and collect a light signal from the object; a spectrometer configured to split the collected light signal to generate a Raman spectrum of the object; and a security detector configured to detect an infrared light emitted from the object.