Thin Film Polarizer

Venuslab Product Introduction: Thin Film Polarizers

Venuslab Thin Film Polarizers are versatile and cost-effective optical components designed for general-purpose polarization control. These polarizers are manufactured by coating a dichroic polymer material onto a high-quality transparent glass substrate.

Working Principle:
The device operates on the principle of selective absorption. The dichroic coating efficiently absorbs the light component polarized in one direction while transmitting the component polarized in the orthogonal direction, resulting in a linearly polarized output.

Key Advantages

Compared to traditional polarizing prisms, Venuslab Thin Film Polarizers offer several distinct benefits for optical system integration:

• Wide Acceptance Angle: Unlike prisms which require precise alignment, these polarizers maintain performance over a larger range of incidence angles, making them easier to align and integrate.
• Large Aperture Availability: The thin-film manufacturing process allows for larger clear apertures (e.g., up to Ø50.8mm), making them ideal for applications involving wide beams or large imaging sensors.
• Cost-Effective Solution: They provide a high-value alternative to crystal polarizers for applications where ultra-high extinction ratios or high-power handling are not critical.

Linear Polarizer Parameter Table (Venuslab VLLP Series)

Circular Polarizers Parameter Table(Venuslab VLCP Series)