Integrated raman spectrometer and modularized laser module

Abstract

An integrated Raman spectrum measurement system and a modularized laser module are provided. The modularized laser module includes a laser emitter and an axis adjustment mechanism. The laser emitter is configured to emit a laser beam. The axis adjustment mechanism is connected to the laser emitter and configured to adjust at least two parameters of axis and orientation of the laser emitter. A beam splitter is disposed on the path of the laser beam. A signal collection unit is for collecting at least a part of a signal light from the beam splitter, wherein the signal light is converting by an object after receiving the part of the laser beam.

What is claimed is: 
     
         1 . An integrated Raman spectrum measurement system configured to measure an object, the integrated Raman spectrum measurement system comprising:
 a modularized laser module comprising:
 a laser emitter configured to emit a laser beam; 
 an axis adjustment mechanism connected to the laser emitter and configured to adjust at least two parameters of axis and orientation of the laser emitter; 
   a beam splitter disposed on a path of the laser beam; and   a signal collection unit, for collecting at least a part of a signal light from the beam splitter, wherein the signal light is converting by the object after receiving the part of the laser beam.   
     
     
         2 . The integrated Raman spectrum measurement system according to  claim 1  further comprising:
 an objective lens, for transmitting at least part of the laser beam through the beam splitter to the objective lens, and receiving signal light from the object then sending to the beam splitter. 
 
     
     
         3 . The integrated Raman spectrum measurement system according to  claim 1  further comprising:
 an illumination device configured to emit an illumination beam; 
 an image switch module adapted to be switched into the path of the laser beam or be switched out of the path of the laser beam; and 
 an image pickup device, for receiving an image beam from the object when the image switch module is switched into the path of the laser beam. 
 
     
     
         4 . The integrated Raman spectrum measurement system according to  claim 3 , wherein the image switch module comprises a neutral density filter, and wherein when the image switch module is switched into the path of the laser beam, the neutral density filter is switched into the path of the laser beam to reduce intensity of the laser beam. 
     
     
         5 . The integrated Raman spectrum measurement system according to  claim 4 , wherein the image switch module further comprises:
 a first beam splitter, wherein when the image switch module is switched into the path of the laser beam, the first beam splitter transmits the at least part of the illumination beam to the objective lens; and   a second beam splitter, wherein when the image switch module is switched into the path of the laser beam, the second beam splitter transmits the at least part of the image beam to the image pickup device.   
     
     
         6 . The integrated Raman spectrum measurement system according to  claim 3  further comprising:
 a control unit electrically connected to the image pickup device; 
 a locating mechanism electrically connected to the control unit; and 
 a stage carrying the object and connected to the locating mechanism, wherein when a user selects a measuring point on a screen electrically connected to the control unit, the control unit commands the locating mechanism to move the stage so that the measuring point is shown in a central portion or a setting portion on the screen. 
 
     
     
         7 . The integrated Raman spectrum measurement system according to  claim 1  further comprising a neutral density filter module disposed on the path of the laser beam between the laser emitter and the beam splitter, wherein the neutral density filter module comprises a plurality of neutral density filters having different transmittance and configured to be selectively switched into the path of the laser beam. 
     
     
         8 . The integrated Raman spectrum measurement system according to  claim 1  further comprising a Raman filter module disposed on a path of the signal light between the beam splitter and the signal collection unit, wherein the Raman filter module comprises a plurality of filters with different transmittance spectra, each of the filters is configured to filter out light having a wavelength range corresponding to the peak wavelength of the laser beam of different laser emitter, and the filters are configured to be selectively switched into the path of the signal light. 
     
     
         9 . The integrated Raman spectrum measurement system according to  claim 1 , wherein the modularized laser module further comprises:
 cooling fins connected to the laser emitter; and   a cooling gas tube configured to supply cooling gas flowing through the cooling fins.   
     
     
         10 . The integrated Raman spectrum measurement system according to  claim 9  further comprising:
 a trigger disposed on the stage, wherein when the object is disposed on the stage, the trigger turns on the laser emitter to emit the laser beam. 
 
     
     
         11 . The integrated Raman spectrum measurement system according to  claim 9 , wherein the stage is configured to supply an electric voltage or current to the object. 
     
     
         12 . The integrated Raman spectrum measurement system according to  claim 9 , wherein the pedestal is configured to serve as a case of the integrated Raman spectrum measurement system to contain the stage and the housing. 
     
     
         13 . The integrated Raman spectrum measurement system according to  claim 1  further comprising a barcode scanner configured to detect a barcode of the object. 
     
     
         14 . A modularized laser module comprising:
 a laser emitter configured to emit a laser beam;   an axis adjustment mechanism connected to the laser emitter and configured to adjust at least two parameters of axis and orientation of the laser emitter; and   cooling fins connected to the laser emitter.   
     
     
         15 . The modularized laser module according to  claim 14 , wherein the modularized laser module is configured to insert into a Raman spectrometer. 
     
     
         16 . The modularized laser module according to  claim 14  further comprising:
 a cooling gas tube configured to supply cooling gas flowing through the cooling fins. 
 
     
     
         17 . A portable integrated Raman spectrum measurement system, comprising:
 a laser emitter configured to emit a laser beam;   an axis adjustment mechanism connected to the laser emitter and configured to adjust at least two parameters of axis and orientation of the laser emitter;   a beam splitter disposed on the path of the laser beam;   a signal collection unit, for collecting at least a part of a signal light from the beam splitter, wherein the signal light is converted by the object after receiving the part of the laser beam;   an illumination device configured to emit an illumination beam;   an image switch module adapted to be switched into the path of the laser beam or be switched out of the path of the laser beam; and   an image pickup device, for receiving an image beam from the object when the image switch module is switched into the path of the laser beam..   
     
     
         18 . The integrated Raman spectrum measurement system according to  claim 17 , wherein the image switch module comprises a neutral density filter, and wherein when the image switch module is switched into the path of the laser beam, the neutral density filter is switched into the path of the laser beam to reduce intensity of the laser beam. 
     
     
         19 . The integrated Raman spectrum measurement system according to  claim 18 , wherein the switch module further comprises:
 a first beam splitter, wherein when the image switch module is switched into the path of the laser beam, the first beam splitter transmits the at least part of the illumination beam to the objective lens; and   a second beam splitter, wherein when the image switch module is switched into the path of the laser beam, the second beam splitter transmits the at least part of the image beam to the image pickup device.   
     
     
         20 . The integrated Raman spectrum measurement system according to  claim 17  further comprising:
 a control unit electrically connected to the image pickup device; 
 a locating mechanism electrically connected to the control unit; and 
 a stage carrying the object and movably connected to the locating mechanism, wherein when a user selects a measuring point on a screen electrically connected to the control unit, the control unit commands the locating mechanism to move the stage so that the measuring point is shown in a central portion or a setting portion on the screen.