A Curved Razor-Blade Proportional Counter for X-Ray Diffraction

A curved one-dimensional position-sensitive proportional detector (PSD) has been developed for powder diffraction studies. A curved "razor-blade" functions as anode. Cathode-strip readout gives position sensitivity. With individual strip readout, XeCO2 and Cu Kα X-rays we obtained for the width of a diffraction line (FWHM) 200 μm (Δ2μ ≈ 0.1°).