Figure 1
Scheme of the indirect cooling of the monochromator crystals. 1 – Copper heat exchangers; 2 – 0.5 mm-thick indium foils; 3 – four M4 screws to tighten the crystal between the heat exchangers; 4 – ceramic isolation; 5 – silicon crystal; 6 – copper tubes for liquid nitrogen; 7 – position of temperature sensor. |