China Wholesale He-Ne laser Factory – LPT-4 Experimental System for LC Electro-Optic Effect – Labor

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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Photoelectric Characteristic, Ccd Spectrometer, Holography Experiment, We are willing to give you the best suggestions on the designs of your orders in a professional way if you need. In the meantime, we keep on developing new technologies and creating new designs so as to make you ahead in the line of this business.

China Wholesale He-Ne laser Factory – LPT-4 Experimental System for LC Electro-Optic Effect – Labor Detail:

Experiments

1. Understand the basic principle of LC display (TN-LCD).

2. Measure the response curve of LC sample.

3. Calculate parameters such as threshold voltage (Vt) and saturation voltage (Vs).

4. Measure the transmittance of LC switch.

5. Observe transmittance change versus viewing angle.

Specifications

Item	Specifications
Semiconductor Laser	0~3 mW, adjustable
Polarizer/Analyzer	360° rotation, division 1°
LC Plate	TN-type, area 35mm × 80mm, 360° horizontal rotation, division 20°
LC Driving Voltage	0 ~ 11 V, 60-120Hz
Voltmeter	3-1/2 digit, 10 mV
Photodetector	high speed
Current meter	3-1/2 digit, 10 μA

Part List

Description	Qty
Electric control unit	1
Diode laser	1
Photo receiver	1
LC plate	1
Polarizer	2
Optical bench	1
BNC cable	2
Manual	1

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Acousto-Optic Effect