Laser-Induced Fluorescence Studies on Some Edible Oils and Aromatic Frankincense Oil Excited by Blue and Violet Diode Lasers at 447 nm and 405 nm

Table 1

Advantages and disadvantages of diode lasers as LIF excitation sources.

Types	Advantages	Disadvantages
Diode lasers	Compact, easy to use, low cost, no moving parts, relatively inexpensive	Only specific wavelengths available, limited output power, large bandwidths in case of multimode lasers
Other conventional lasers	Wider choice of wavelengths available, can be high power, narrow bandwidth	Bulky, expensive, often requiring high voltages for operation, may require maintenance