Solid sample testing holder, adjustable range 0-130mm GIE-LAMAN-STAGE solid sample testing holder, adopts vertical design to ensure that the sample and the light source remain vertical; the sample table is equipped with extinction holes, which can effectively reduce stray light and is very It is convenient to pick and place samples, and the height of the light source is adjustable, with an adjustable range of 0-130mm, suitable for samples of different thicknesses.