Option
Shielding tube
When growing crystals using the Floating Zone Method (FZ) that would crack if the temperature gradient were too steep, adding this after heater unit will make the temperature gradient gentler, preventing the crystals from cracking.

Gas Guide
When growing crystals using the Floating Zone Method (FZ) that would crack if the temperature gradient were too steep, adding this after heater unit will make the temperature gradient gentler, preventing the crystals from cracking.

After heater Unit
When growing crystals using the Floating Zone Method (FZ) that would crack if the temperature gradient were too steep, adding this after heater unit will make the temperature gradient gentler, preventing the crystals from cracking.
