Diode Pumped Laser Principle Physics Experimental Instrument

This experimental system is designed for the study of diode-pumped solid-state laser technology and nonlinear optical frequency conversion. By assembling and aligning the complete optical setup, users can learn laser alignment techniques, observe frequency-doubling effects, and perform measurements such as threshold characteristics, phase matching, and other optical experiments.

The system helps strengthen understanding of laser fundamentals, nonlinear optics, and frequency conversion principles while providing valuable hands-on laboratory experience. Its stable mechanical structure and modular design support a wide range of experimental activities and facilitate convenient system alignment and operation.

• Semiconductor-pumped solid-state laser operation
• Laser cavity alignment and optimization
• Frequency-doubling observation and analysis
• Threshold characteristic measurement
• Phase-matching investigation
• Optical power measurement
• Fundamental studies in laser and nonlinear optics

Main Configuration & Specifications

Optical Rail :

• Precision aluminum guide rail, length 1 m

Semiconductor Laser Source :

• 808 nm laser diode, continuous output power up to 500 mW

Alignment Laser :

• Output power ≥ 1.5 mW, wavelength 632.8 nm

Infrared Viewing Card :

• Suitable for observing near-infrared light in the 0.7–1.6 μm range

Frequency Conversion Crystal :

• Transmission range 0.35–4.4 μm, electro-optic coefficient up to 36 pm/V

Laser Crystal :

• Rare-earth-doped crystal, dopant concentration 0.1–3.0 atm%, surface flatness better than λ/10 @ 632.8 nm, optimized coatings for pump and laser wavelengths

Optical Power Meter :

• Measurement range 2 μW–200 mW, adjustable range selection, semi-digital display