Video
Exradin® W2 Scintillator Overview
A brief introduction to our water equivalent detector.
608-831-0025 (International)
800-261-4446 (U.S.)
The Small Field Detector Everyone is Talking About
Water Equivalent. Tiny. And Now Optimized For Scanning.
Significant Clinical Advantages
Unlike other detector types, the water equivalent W2 scintillator does not perturb small field dose distributions when it is placed in the beam, so you can measure small fields with greater accuracy.
High Definition
The W2 system features a fiber with a 1x1mm scintillator, improving measurement resolution for the smallest field characterization measurements.
Multiple Detectors Included
Easily switch out fibers to meet your measurement needs. Use a 1 x 1 mm detector when resolution is the primary need and a 1 x 3 mm detector when higher signal strength is required.
Dosimetry in Magnetic Fields with Dedicated MR-Compatible Ionization Chambers
Physica Medica: European Journal of Medical Physics Article
Exradin® W2 Scintillator
Small Field Scanning
Scintillation signal can be sent from the MAX SD to a water tank scanning electrometer in real time, so the W2 can be used for scanning your small field profiles and depth doses.
MR Compatible Version Available
I found the W2 scintillator to be an extremely useful tool for commissioning and routine QA of our MRIdian® system. I would recommend this detector to anyone considering it for MR-linac.
William Y. Song, PhD, DABR, FAAPM
Professor
,
Massey Cancer Center at Virginia Commonwealth University
MRIdian® System, by ViewRay®
Download the Exradin W2 Datasheet
Specifications
Jump to:
| Dimensions | |
|---|---|
| Scintillating fiber | 1.0 mm diameter x 3.0 mm long |
| Scintillator housing | 2.8 mm diameter x 42 mm long |
| Optical fiber | 1.0 mm diameter core x 2.2 mm diameter jacket x 4 m long |
| Materials | |
| Scintillating fiber | Polystyrene with fluorescent dopants |
| Optical fiber | Acrylic (PMMA) with Polyethylene jacket |
| Scintillator enclosure | Epoxy potted within an ABS plastic tip and polyimide stem |
| Optical connector | SMA-905 |
| Optical fiber minimum bend radius | 6 cm |
| Scintillating fiber physical density | 1.05 g/cm³ |
| Radiation degradation | ~ 2% / kGy |
Resources
TechNotes
Webinars and Videos
Publications
- Independent Secondary Dose Calculation for Patient-Specific Quality Assurance: Quantitative Benefit of Monte–Carlo and Custom Beam Modeling
- Routine Machine Quality Assurance Tests for a Self Shielded Gyroscopic Radiosurgery System
- Feasibility Study Using HDR 1000+ Well-Type Ionization Chambers
- Feasibility Study Using HDR 1000+ Well-Type Ionization Chambers
- Whats New ESTRO 2025
- Transforming Radiation Therapy: Standard Imaging's Adaptivo In Vivo EPID Dosimetry Solution for Personalized Treatment Precision--A Comprehensive Clinical Use Case Review
- Evaluation of the Exradin A19 Ion Chamber for Reference Dosimetry in Megavoltage Photon Beams
- Evaluation of a Water-proof, Homogeneous Farmer-Type Ion Chamber for Orthovoltage and High Energy X-Rays and Electron Beams
- Commissioning and Cross-Comparison of Four Scanning Water Tanks
- Validation of the Acuros XB dose calculation algorithm versus Monte Carlo for clinical treatment plans
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