810HC10-12.5 12.5mm Dia. 810nm Borosilicate Glass Hard-Coated Narrowband Bandpass Filter, 10.0nm Bandwidth

This is the 810HC10-12.5, a high-quality Bandpass Filter from Andover Corporation. The filter is designed with a center wavelength of 810nm and a narrow bandwidth of 10.0nm, making it ideal for applications that require precise wavelength selection and narrowband filtering.

The filter is made of borosilicate glass, specifically borofloat33, which is known for its excellent optical properties and durability. The circular shape of the filter has a diameter of 12.5mm and a thickness of 5mm, ensuring robustness and ease of integration into various optical systems.

The 810HC10-12.5 features hard-coated surfaces on both the front and back, enhancing its durability and resistance to environmental factors. The coating is of the type "and 810hc10", which is specifically designed for this filter to optimize its performance.

The filter's physical data includes a cut-on wavelength of 805nm and a cut-off wavelength of 815nm, ensuring a tight wavelength control. The cut-on and cut-off values are crucial in determining the filter's overall transmission and blocking characteristics.

The filter's geometry and shape are designed as a Thin Lens, which is beneficial for applications that require minimal optical path differences and low insertion loss. This feature also enhances the filter's ease of integration into various optical systems.