Analysis of three-element zoom lens based on refractive variable-focus lenses

Area of Science:

• Optics and Optical Engineering
• Photonics
• Mechanical Engineering

Background:

• Traditional zoom lens systems rely on mechanical movement of multiple optical elements.
• Precise mechanical adjustments in conventional zoom lenses lead to complex and demanding construction requirements.
• Variable-focus lenses offer an alternative to mechanical shifting for altering optical properties.

Purpose of the Study:

• To analyze the paraxial and aberration characteristics of three-element zoom lens designs utilizing variable-focus lenses.
• To investigate the feasibility of zoom lens systems that do not require motorized lens movements.
• To describe the first-order chromatic aberrations associated with variable-focus lenses.

Main Methods:

• Paraxial analysis of optical designs.
• Aberration analysis of optical systems.
• Computer simulations of zoom lens performance.
• Evaluation of variable-focus lens properties, including chromatic aberrations.

Main Results:

• The proposed three-element zoom lens systems based on variable-focus lenses were analyzed for optical design.
• First-order chromatic aberrations of the tunable-focus lenses were characterized.
• Computer simulations demonstrated the potential of these systems.

Conclusions:

• Zoom lens systems employing variable-focus lenses without motorized movements are a promising concept.
• This approach may simplify mechanical construction and requirements for future zoom lens designs.
• Further research into variable-focus lens technology could lead to advancements in optical systems.