Description
Atomfair FPI-739 Multi-Beam Interference Experimental Instrument
Product Overview
The Atomfair FPI-739 is a high-performance experimental instrument categorized under interference, diffraction, and polarization equipment. It is meticulously engineered to meet international standards, delivering reliable and precise results for academic research, laboratory teaching, and scientific exploration. With its comprehensive configuration and advanced technical parameters, this instrument offers a seamless experimental experience for observing and analyzing multi-beam interference phenomena.
Key Experimental Functions
- Observe multi-beam interference fringes: Intuitively display the physical characteristics of interference phenomena, allowing users to visually perceive the regular patterns and changes of interference fringes, which is essential for understanding the basic principles of optics.
- Accurately measure the wavelength difference of sodium yellow doublet: Provide accurate data support for spectrum analysis-related experiments. It enables precise determination of the wavelength difference between the two spectral lines of sodium yellow light, laying a solid foundation for in-depth research in optical spectroscopy.
- Expand experimental applications: When paired with compatible accessories, the instrument can be used to observe the spectral line shift phenomenon of mercury isotopes and the Zeeman effect of spectral line splitting in a magnetic field. This expandability makes it a versatile tool for exploring various advanced optical phenomena.
Standard Configuration & Technical Parameters
| Item No. | Name | Specification Parameters |
|---|---|---|
| 1 | Instrument Host | Reflector: Diameter 30mm, flatness 1/20λ; Moving mirror preset screw: Minimum division value 0.01mm, stroke 10mm (5–15mm); Measurement accuracy: Minimum reading value 0.0005mm, stroke 1.25mm |
| 2 | Lens | Focal length f’=45mm, equipped with a dedicated lens frame |
| 3 | Ground Glass Screen | Size 55×55mm |
| 4 | Sodium Lamp | Low-voltage design, power 20W |
| 5 | Auxiliary Accessories | Universal base, lens holder, small microscope, and matching microscope frame |
Notes
The configuration and parameters of this product are formulated with reference to international standard specifications, providing customers with a clear understanding of the core performance of the product.
The actual configuration shall be subject to the product packing list. For minor technical adjustments, no separate notice will be given.
If you’re interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.





