the instruments for nuclear astrophysics the scientific potential of crystal diffraction telescopes the principle of the gamma-ray lens the laboratory prototype the diffraction efficiency the first tunable gamma-ray lens CLAIRE - first light for a gamma-ray lens http://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_imp.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_imp.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_pot_e.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_fon_e.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_pro.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_eff.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/lentille_gamma/L_reg.htmlhttp://userpages.irap.omp.eu/~pvonballmoos/Claire/C_ho_e.htmlshapeimage_1_link_0shapeimage_1_link_1shapeimage_1_link_2shapeimage_1_link_3shapeimage_1_link_4shapeimage_1_link_5shapeimage_1_link_6shapeimage_1_link_7

why a gamma-ray lens ?


what good ?


how to focus gamma-rays ?


does it really work ?