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Place your finger on the pulse of health technology with PSY-TEK’s biophoton detection system that consists of a high-sensitivity PhotoMulitplier Tube (PMT). Its assembly is inside the EMI shielded room or Faraday Cage. A Pulse Counter/Analyzer and a computer are setup outside the shielded room.

A Faraday cage or shield is an enclosure used to block electromagnetic fields, and may be formed by a continuous covering of conductive material or a mesh of such materials for a cage.

What is a biophoton? Biophotons are photons (light particles) that are generated within the body, and can be measured as they emanate from the skin. The human body literally glows, emitting a visible light in extremely small quantities at levels that rise and fall with the day. Prior research has shown that the body emits visible light, 1,000 times less intense than the levels to which our naked eyes are sensitive.

BIOLOGY Meets Photonics

The EMI shielded room is also a light-tight chamber that becomes pitch dark. The PMT assembly has an opening with a vertical thread in the middle to help guide a person in placing his/her fingers in the correct position in front of the PMT window. When asked by the experimenter, the person opens a black sleeve, inserts his/her right arm into it, and positions his/her hand and fingers, enabling a vertical thread to lightly touch the distal joint of the middle finger. This person is then instructed to remain still for the duration of the measurement. The PMT assembly is configured to detect biophotons that emanate from the ventral side of a person’s right fingers.

The output of the PMT assembly is fed into the Counter/Analyzer via the connector feed in the shielded room. The Counter/ Analyzer communicates with the computer, which displays a frequency of incoming pulses every five seconds in the form of a real-time trend graph.

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