Physics equipment inventory at Northwell Health:

QA Devices:

  • Landauer Microstar Reader : OSL radiation dosimeter reader
  • PTW-Octavius  T40051: chamber & phantom system for rotational IMRT QA
  • PTW-Quickcheck T42031: wireless daily linac QA device, constancy check of all essential beam parameters 
  • PTW-Starcheck Maxi T10033: chamber matrix system to measure high resolution star profiles for fields up to 40 cm x 40 cm 
  • PTW LA48  T34009:  linear chamber array designed for dynamic field dosimetry measurements of virtual wedges and multileaf collimators
  • PTW-David T16029: IMRT pre-treatment QA in vivo dose verification
  • PTW 2D array T10024: Ion chamber array with 729 ion chambers for IMRT plan verification and LINAC QA

Chambers and Electrometers

  • PRM Electrometer SH-1
  • Keithley Electrometer 602
  • Keithley Delta Precision Electrometer Attachment 255
  • CNMC Electrometer K602
  • Exradin Thimble Chamber A-1
  • Exradin Spokes 0.6cc Chamber P-2
  • Exradin "Shokai" Chamber A3
  • Exradin Micro Chamber
  • PTW PP Chamber M23343.392
  • PTW Diode TN60008
  • PTW Micro Chamber TN31006
  • PTW Chamber N31005
  • PTW Water Proof Farmer Type Chamber TN30013
  • PTW Water Proof Scanning Chamber TN31010
  • PTW Holder for Stop Thimbles
  • Nuclear Associates Scanning Chamber M233641
  • Nuclear Associates 30-404 Memorial PP MPPK
  • Standard Imaging Electrometer MAX 4000
  • Memorial PP Chamber PC-59
  • Memorial PP Chamber WPC-55
  • Memorial PP Chamber WPC-72
  • Water Proofing Cover SH-06C
  • Wellhofer Diode DEB 010
  • Keithley Electrometer 35040: therapy dosimeter is used in calibration dosimetry, quality assurance, and diagnostic testing of linear accelerators


  • Standard Imaging Phantom QCKV-1 71450
  • Standard Imaging Phantom QC3 7135
  • Blue IMRT Phantom
  • RMI Electron Density Phantom 465
  • Polystyrene: 3cm Plate W/ Farmer chamber plug
  • Polystyrene: 2.5cm Plate W/ Farmer chamber plug
  • Polystyrene: 3cm Plate W/ Farmer chamber plug
  • Polystyrene: 2.3cm Plate W/ PP chamber plug
  • Polystyrene: 1.02cm Plate W/ PP chamber plug
  • Polystyrene: Two 5cm Plates
  • Polystyrene: Two 2cm Plates
  • Polystyrene: Three 1mm Plates
  • Polystyrene: 1cm Plate
  • Polystyrene: 0.5cm Plate
  • Sun Nuclear Poly for Profiler: 1.7cm
  • Sun Nuclear Poly for Profiler: 0.9cm
  • Acrylic: Three 5cm Plate
  • Acrylic: 5cm Rectangular Plate
  • Solid Water: PP Chamber Plate
  • Solid Water: 2cm Plate
  • Solid Water: 2.5cm Plate
  • Solid Water: Two 5cm Plates
  • Solid Water: Calibration Check Phantom 458
  • Solid Plastic: 2.5cm Plate
  • Solid Plastic: Three 5cm Plates
  • Solid Plastic: Two 8cm Plates
  • Nuclear Associates: Multi Chamber Plate
  • Anatomic Phantom - Female Torso with plugs

Water Tanks and Accessories

  • PTW Scanning Tank -Med T41002
  • PTW Electrometer for Array T16026
  • PTW TG51 Tank T41031
  • PTW Control Unit for MP3  41013: electronic device for an automatic control of the detector position in PTW water phantoms via RS232 interface
  • PTW Tandem Electrometer  T10013: Dual channel electrometer
  • 2 PTW Cables with Tank 726005
  • PTW Control Unit for MP3 41013
  • PTW Electrometer T10015
  • Densitometer - Xrite 301
  • 6 BNC Cables
  • PTW-MP1 Scanning Water Tank T41024


  • Technical Problem Reports: Reporting, tracking and analyzing technical problems with equipment such as linacs, CT scanners, etc.
  • QA Incident Monitoring: QA incident reporting and analysis database, used for Root Cause Analysis and tracking of QA issues.
  • Physics Workflow Whiteboard: Tracks all patient plans as they proceed though steps in the planning and verification process. Used to monitor plan progress and staff workload distribution.
  • Physics Equipment Tracking: Tracks and inventories physics laboratory equipment by physical location (among multiple hospital sites), equipment type, calibration due dates and working condition.
  • New Policies and Procedures: Database for proposing, reviewing, editing, and finalizing new department policies and procedure documents.
  • Nanodot Tracking: Tracks and analyzes nanodot microdosimeter readings for all patient treatments in department.
  • Electron Cutouts Database: Catalogues electron cutout shapes, measured output factor values  and related parameters for clinically used cutouts.


  • Wellhoffer Measuring Scintillator
  • 4 Sun Nuclear Power/Data Interface
  • 9 Polystyrene Buildup Caps
  • Brass Buildup Caps
  • Radionics Winston Lutz
  • Red Liquid Filled Thermometers
  • Digital Level
  • Protractor
  • 1mm lead for TG51
  • 4 Personal Dosimeters

Get in touch with us!

Applicants invited for interview will be notified by email. For additional information on how to apply contact Jennifer Joseph.

Email the Physics Residency Program

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