20MHz ophthalmic a-Scan probe for ophthalmic ultrasound equipment

20MHz ophthalmic a-scan probe for ophthalmic ultrasound equipment   Specification:typeIntegration wedge single array probemodel20C-Pcrystal sizeØ 2mm-6dB central frequency20MHz (±10%)-6dB relative sensitivity≥ -40db-6dB relative bandwidth≥ 50%Relative bandwidth>60%relativ

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20MHz ophthalmic a-scan probe for ophthalmic ultrasound equipment   


20MHz Ophthalmic a-Scan Probe for Ophthalmic Ultrasound Equipment
20MHz Ophthalmic a-Scan Probe for Ophthalmic Ultrasound Equipment

Specification:

typeIntegration wedge single array probe
model20C-P
crystal sizeØ 2mm
-6dB central frequency20MHz (±10%)
-6dB relative sensitivity≥ -40db
-6dB relative bandwidth≥ 50%
Relative bandwidth>60%
relative sensitivity>-36dB
Echo pulse width<0.4μs
-20dB pulse width≤150ns
investigation depth≥ 20mm
test precision± 0.02mm
repeated accuracy± 3%
Minimum test thickness0.15mm (steel)


Working Principle:

 

 

The ultrasound A-scan works by projecting a sound wave through the eye and then measuring reflections. A reflection happens at the junction of two different densities, such as the interface between the posterior lens capsule and the vitreous. These echoes are shown as tall spikes of a high amplitude on the display, hence the name amplitude-scan, which is often abbreviated as A-scan.

 

A-scan ultrasound is used to take measurements for artificial lenses for cataract surgery.  This quick and painless procedure can be performed in your doctor's office.




Technology parameters :                                                                    
 
Model 5M7.5M10M13M
Working frequency5MHz7.5MHz10MHz13MHz
Relative bandwidth>50%>50%>60%>60%
relative sensitivity>-24dB>-30dB>-35dB>-42dB
Echo pulse width<0.7μs<0.55μs<0.4μs<0.35μs
Main useFor pets, livestock measuring fatFor pets, livestock measuring fatFor measuring distance in ophthalmologyFor measuring thickness in ophthalmology




Application:

The sensor used for measuring thickness of fat of Pet or livestock, and measuring distance or measuring thickness in ophthalmology.
 

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