Diamond Beam Monitors

Measures beam position, intensity or profile.

Good to know

Fluorescence screens and segmented electrical detectors use different readout methods.
A thin element can remain in the beam where its attenuation is acceptable.
The required spatial response determines the sensing geometry.

What we define for diamond beam monitors, with units and how each is typically measured. We confirm values for your application in technical review.

Parameter	Unit	Typical test method
Thickness and tolerance (bulk or layer)	mm	Micrometer or optical gauge
Lateral size, outline or diameter, and tolerance	mm	Optical measurement

Parameter	Unit	Typical test method
Inclusions, growth sectors and defects		Cross-polarised microscopy or birefringence imaging

Parameter	Unit	Typical test method
Surface finish condition (as-grown, lapped or polished)		Visual inspection to drawing

Parameter	Unit	Typical test method
Radiation type, energy range and beam size	keV	Per application brief

Parameter	Unit	Typical test method
Active area or volume	mm²	Optical measurement to drawing
Electrode geometry, spacing and metallization		Per drawing
Bias voltage and response	V	Current–voltage and charge-collection test
Charge collection distance	µm	Beta-source or ion-beam induced current
Dark current and leakage	nA	Current–voltage measurement
Contact resistance and ohmic behaviour	Ω·cm²	Transfer-length method
Radiation hardness and response stability		Irradiation with post-test response check

Parameter	Unit	Typical test method
Operating temperature limit	°C	Per application brief
Mounting interface, host fit and attachment		Per drawing
Certificate of conformance and traceability		Supplier declaration

Requirement to review

Share your diamond beam monitors requirement, dimensions and drawing for review.