Scanning microscope and coupling-out element

Abstract

A scanning microscope having a light source that emits illuminating light for illumination of a specimen, having at least one first detector for detection of the detected light proceeding from the specimen, having an objective being arranged in both an illumination beam path and a detection beam path, and having a coupling-out element that is selectably for descan detection and non-descan detection positionable in the illumination and detection beam path, is disclosed.

What is claimed is:  
     
         1 . A scanning microscope comprising: 
 a light source for emitting illuminating light for illumination of a specimen,    at least one first detector for descan detection of the detection light proceeding from the specimen,    an objective being arranged in both an illumination beam path and a detection beam path,    a coupling-out element being insertable into the illumination and detection beam path for non-descan detection, and removable from the illumination and detection beam path for descan detection    
     
     
         2 . The scanning microscope as defined in  claim 1  further comprising: at least one guidance element for positioning the coupling-out element.  
     
     
         3 . The scanning microscope as defined in  claim 1  further comprising: at least one banking element for positioning the coupling-out element.  
     
     
         4 . The scanning microscope as defined in  claim 1 , further comprising: a turret or a sliding carriage, on which the coupling-out element is mounted.  
     
     
         5 . The scanning microscope as defined in  claim 1 , wherein the coupling-out element comprises a beam splitter.  
     
     
         6 . The scanning microscope as defined in  claim 1 , wherein the coupling-out element comprises an excitation filter for blocking light of at least one wavelength out of the illuminating beam path.  
     
     
         7 . The scanning microscope as defined in  claim 1 , wherein the coupling-out element comprises a detection filter for blocking light of at least one wavelength out of the detection beam path.  
     
     
         8 . The scanning microscope as defined in  claim 1  further comprising: a further detector for non-descan detection receiving the detection light coupled out by coupling-out element.  
     
     
         9 . The scanning microscope as defined in  claim 8 , wherein the coupling-out element contains the further detector.  
     
     
         10 . The scanning microscope as defined in  claim 1  further comprising: a light-guiding fiber transporting at least a portion of the detecting light from the coupling-out element to the first detector.  
     
     
         11 . The scanning microscope as defined in  claim 1  further comprising: a fluorescent incident-light illuminator in which the coupling-out element is positionable.  
     
     
         12 . A coupling-out element for a scanning microscope, which is insertable into an illumination and detection beam path of the scanning microscope for non-descan detection, and which is removable from the illumination and detection beam path for descan detection.  
     
     
         13 . The coupling-out element as defined in  claim 12 , wherein the coupling-out element is positionable in a turret.  
     
     
         14 . The coupling-out element as defined in  claim 12 , wherein the coupling-out element is positionable in a sliding carriage.  
     
     
         15 . The coupling-out element as defined in  claim 12 , wherein the coupling-out element is positionable in a fluorescent incident-light illuminator.  
     
     
         16 . The coupling-out element as defined in  claim 12  further comprising guidance and/or banking elements for positioning of the coupling-out element.  
     
     
         17 . The coupling-out element as defined in  claim 12  further comprising: an excitation filter for blocking light of at least one wavelength out of the illumination beam path.  
     
     
         18 . The coupling-out element as defined in  claim 12  further comprising: a detection filter for blocking light of at least one wavelength out of the detection beam path  
     
     
         19 . The coupling-out element as defined in  claim 12  further comprising: a further detector for non-descan detection receiving the detection light coupled out by the coupling-out element.  
     
     
         20 . The coupling-out element as defined in  claim 12  further comprising: an optical system.