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Thin-layer thermoluminescent dosemeters based on high-temperature self-adhesive tape.

Dosimetric material was fabricated by coating commercially available self-adhesive tape able to withstand temperatures up to 400 degrees C with thermoluminescent lithium fluoride crystals. Tests were made on dosemeters of about one centimetre diameter cut from the coated tape. High loading and reproducibility was further by spreading the crystalline materials onto heated tape. Reproducibility was further improved when sieved and washed ground crystalline material was used. Dosemeters with various loadings were fabricated and representative batches with loadings of 12.2 mg cm-2 and 5.9 mg cm-2 were tested for reproducibility, matching, sensitivity to light and photon energy dependence. The dosemeters show exceptional reproducibility and matching, are simple and inexpensive to make and are ideal for many applications where thin-layer dosemeters with approximate tissue equivalence are required.