X-Ray Optics and Instrumentation / 2010 / Article / Fig 11

Research Article

Elliptically Bent X-Ray Mirrors with Active Temperature Stabilization

Figure 11

The residual variation of the mirror tangential slope measured at different temperatures inside the container without adjusting the bending couplings. The temperature controller attached to the bender body was set to constant 21.3°C. The traces correspond to the sagittal center of the mirror. Unlike the previous case, with no active temperature stabilization (Figure 7), the mirror figure remains constant. The increase of the random noise is due to the air convection that becomes stronger at higher temperature inside the container.

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