In one example, an article is provided for use with an apparatus for generating an aerosol using an irradiative light source. The article has smokable material in combination with a transparent window through which light can pass. In another example, apparatus for generating an aerosol has an irradiative light source located in the apparatus. At least one optical component manipulates light emitted in use by the irradiative light source. A receptacle accommodates smokable material and receives light emitted in use by the irradiative light source. A transparent window is arranged between the receptacle and the at least one optical component. A combination of an apparatus for generating an aerosol and an article is also disclosed.