BOS-18 Technical Information

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BOS-18

In standard form, the model BOS-18 Beam Observation system has a 18mm diameter active area MCP and P-43 phosphor screen assembly, housed within a 2.75″ (70mm) conflat flange with glass viewport. Electrical connections to the phosophor screen and MCP are made with MHV feedthroughs.

 

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Technical Information

Imaging Area 18mm Diameter
MCP (Standard) 0.975″ Diam. (BOS-18), 10 micron channel diameter, Imaging Grade, 18mm active area, 12 micron pitch, 5° Bias Angle, 40:1 Aspect Ratio (Standard, BOS-18), Max. Gain: 2 x 104 (single plate, Std.) 1000V > 107 (chevron, OPT-01), 2000V
Phosphor Screen (Standard) P-43 with aluminum overcoat. P-43 Peak Wavelength: λ= 545 nm.
Power Supply Requirements 0 – + 1000V, 1mA single MCP (Standard), 0 – + 2000V, 1mA dual MCP (OPT-01), 0 – + 5000V, 1 mA Phosphor Screen
Beam Energy Range 1 eV to over 50 keV
Beam Current Range < 10 μA (with optional beam attenuation grids)
Vacuum 1 x 10-6 Torr or better required to operate MCP, UHV compatible, maximum bakeout temperature 300 C
Welded Glass Windows (Standard) A non-removable glass window that is welded to the flange is standard. This allows bakeout temperatures > 200C.

 

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