39-330 12.5 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 405nm

The 39-330 is a Bandpass Filter with a circular base shape and a diameter of 12.5 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is designed to transmit light within a specific range of wavelengths, centered around 405 nm, making it suitable for applications that require narrow-band light transmission.

The filter is constructed with a material identified as "uvfs mal- 1965", and it features hard coating on both the front and back surfaces, denoted as "edm 39-330". This coating enhances the filter's durability and resistance to wear and tear, ensuring long-lasting performance.

The physical data of the filter indicates a cut-on wavelength of 402.5 nm and a cut-off wavelength of 407.5 nm, providing a 5 nm bandpass. This precise wavelength range is crucial for applications that demand high spectral purity.

The filter has a thickness of 3.5 mm and is shaped as a thin lens. This thickness provides structural rigidity while minimizing optical distortions. The filter's geometry and shape make it compatible with various optical systems, including those with limited space.

According to the vendor's information, the filter is currently in stock and can be accessed via the provided weblink. This availability, combined with its specifications, makes the 39-330 an excellent choice for applications requiring narrow-band light transmission at 405 nm.