Volume 19, Issue 2 (Journaloflasersinmedicine 2022)
lmj 2022, 19(2): 1-7 |
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Nazari Gheshlaghi P. Analysis of human pulse performance using the device of laser Doppler vibrometer. lmj 2022; 19 (2) :1-7
URL: http://icml.ir/article-1-565-en.html
URL: http://icml.ir/article-1-565-en.html
Abstract: (858 Views)
Introduction: The laser vibrometer device based on the Doppler effect is used in the field of optical measurement of amplitude, frequency and speed of vibrating objects. The important advantage of this device is that it can measure the vibrations of moving objects without contact and even by using the experimental set-up of the Michelson interferometer. In this device, the frequency and amplitude of vibration are obtained from the Doppler shift of the laser light frequency. On the other hand, all the cells, organs and tissues of the human body and all other living organisms and even microorganisms have certain vibrations and since the vibrations have a certain frequency, therefore the vibrations of our body cells also have a certain wavelength which is measurable with this set-up.
Method of study: In this research, the function of human hand and foot pulse has been studied using a laser Doppler vibrometer device. At first, the laboratory set-up of this device was designed and then the vibrations were measured as a packed device.
Findings: The results of this study have shown that the pulse of human hands and feet vibrate at a specific frequency that can be measured.
Conclusion: In order to estimate the function of the human pulse, its vibrations have been measured by a laser Doppler vibrometer. The results showed that the frequency range of human pulse vibration is about 2 Hz, which means that this method can be introduced as one of the best alternative techniques compared to other frequent methods with side effects. Furthermore, this technique can be used to measure heart rate, breathing and other body parts.
Method of study: In this research, the function of human hand and foot pulse has been studied using a laser Doppler vibrometer device. At first, the laboratory set-up of this device was designed and then the vibrations were measured as a packed device.
Findings: The results of this study have shown that the pulse of human hands and feet vibrate at a specific frequency that can be measured.
Conclusion: In order to estimate the function of the human pulse, its vibrations have been measured by a laser Doppler vibrometer. The results showed that the frequency range of human pulse vibration is about 2 Hz, which means that this method can be introduced as one of the best alternative techniques compared to other frequent methods with side effects. Furthermore, this technique can be used to measure heart rate, breathing and other body parts.
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Received: 2022/11/16 | Accepted: 2022/11/1 | Published: 2022/11/1
Received: 2022/11/16 | Accepted: 2022/11/1 | Published: 2022/11/1
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