Personal Dosimetry Laboratory

Laboratory Activities 

Education

  • Determination of effective doses via TLDs placed into RANDO phantom as a part of graduate program
  • Investigation of dosimetric properties of materials having thermoluminescence properties.
  • Basic education on personal dosimetry.

 

Services

  • Investigation of dosimetric properties of various materials
  • Determination of radiation doses received by the staff
  • Personal dosimetry training
  • Determination of doses received by the patients via TLDs in medical applications.

 

LABORATORY EQUIPMENTS

 

                                       IRRADIATOR

THERMO 2210 IRRADIATOR 

Source: Sr-90 / Y-90

Nominal Activity: 33 MBq

 

READERS

                                            THERMO SCIENTIFIC 4500 TLD READER

THERMO SCIENTIFIC 4500 TLD READER:

  • Dual photomultiplier tubes and associated electronics enable it to read cards in two positions simultaneously.
  • Card identification by keyboard entry or external bar code scanner.
  • Reads 2-, 3-, or 4-element cards and extremity carrier cards using hot gas heating.
  • Reads single TLD chips, rods or powders using contact planchet heating.
  • Interfaces with WinREMS and software options such as Dose Algorithms, Glow Curve Analyzer, Chain-of-Custody and Health Physics Records System.
 HARSHAW TLD 3500 READER

                                                                 

HARSHAW TLD 3500 READER

 This reader includes a sample drawer for a single element TLD dosimeter, a linear, programmable heating system and a cooled photomultiplier tube with associated electronics to measure the TL light output.

  • Planchet heating incorporates welded thermocouple for best temperature reproducibility
  • Heating profile includes pre-heat, acquire and anneal cycles
  • Heating temperature capability up to 600°C (1112°F)
  • Thermoelectric PMT cooler for maximum gain stability
  • Freely selectable alarm limits
  • Automatic background subtraction capability

 

PTW-TLDO  OVEN

  • Suitable especially for TL chips, rods and films (ribbons)
  • Includes two standard temperature programs for preheating and annealing
  • Arbitrary temperature levels based on both standard profiles are programmable by optional software

    DOSIMETERS

a)

 

b)

 

a) Wristband and finger ring dosimeters  b) TLD-100 Card dosimeters (whole body)

c) Electronic Dosimeters