Germanium ingot (6N).

 
Germanium crystal (Czochralski technique).

 
One more Ge crystal (maybe made by floating zone growing).

 
Germanium seed for Czochralski growing.

 
Germanium blocks carved from single crystal.

 
Germanium lens for IR optics

 
Germanium ingot (self made).

 
1'' Germanium wafers.

 
Lithium-Drifted Germanium Detector ( Ge(Li) detector). Left photo - detector in the Al cryostat, to cool it down to nitrogen temperature.

 
Intrinsic Germanium detector (Ultra high purity (UHPGe) Germanium detector).

 
Larger coaxial HPGe detector. Weight is more than 700 gramm!

 
Large Germanium window for FLIR camera.

 
Germanium crystals grown by chemical vapour transport.