Square colored spectrally filtered lens

are color spectral filters have the following characteristics: 1. Shape and Size Flexibility

The square design facilitates arrangement, tiling, and installation within optical systems, allowing adaptation to various sizes of optical platforms or devices. Common specifications include 2 inches × 2 inches (50.8mm × 50.8mm), with custom sizes available to meet specific needs.

2. Precise Spectral Characteristics

Through specialized optical coating or material design, they can precisely select specific wavelengths of light for transmission, enabling separation or filtering of colored lights such as red, green, and blue. This meets the spectral control requirements of different optical applications, including color displays and spectroscopic analysis.

3. High Transmittance and Low Reflectivity

Utilizing high-quality optical materials and coating technologies ensures high transmittance for target wavelengths. Additionally, black matrixes or anti-reflective coatings reduce reflection of non-target wavelengths, enhancing light energy utilization and image contrast.

4. Thermal and Chemical Stability

Typically made from heat-resistant and chemically corrosion-resistant materials (such as alkali-free glass substrates), they maintain stable performance at high temperatures (up to approximately 250°C) and in complex chemical environments. This makes them suitable for manufacturing processes requiring high-temperature treatments, such as liquid crystal display production.

5. High Flatness and Precision Requirements

Film flatness must be controlled within 0.1μm, and pixel position and line width precision are extremely stringent (within ±3μm). This ensures uniform light transmission and image quality, preventing image distortion or color deviation caused by surface irregularities.

6. Integrability and Compatibility

They can be integrated with other optical components such as TFT substrates and polarizers, adapting to various types of display or optical systems including liquid crystal displays, microscopes, and spect