**8. Conclusion**

*Optoelectronics*

**Figure 12.**

**28**

**Figure 13.**

wavelength of SPR.

*Emissions spectrum after placing the different sample liquids.*

It is probable that a resonant transfer of power from the waveguide can occur at the specific wavelength. The waveguide mode and the surface plasmon mode match the perfect pairing condition between them. In order for that to happen a wide spectrum of light needs to be launched into the system. For that reason, the spectrum of the transmitted light is almost the spectrum of the input light dip at the

*The emission spectrum from the SPR sensor head before placing the sample liquids.*

One after another, a set of analyte media with calibrated refractive indices (sample liquids) above the Top of the SPR sensor were implemented. To measure

OB detection technology offers a timely, effective and inexpensive tool to measure analytes in samples. It facilitates the detection in different areas, such as; biomedical, environmental and foods. The development and demand of using such technology will continue to grow within the current and upcoming decades, which will result in introducing new generations of OBs to the analytical and diagnostic markets worldwide.
