Key Features
Dimensions Available: Dia10.0mm,Dia12.7mm,Dia25.4mm etc
Design Wavelength: 1064 nm
Optical Densities Ranging from 0.1 to 6.0
Ideal for Low-Power Applications
Wavelength Range: 1000 - 2600 nm
These shortpass, heat-protective filters are designed to be transmissive in the visible region, allowing for passage of an alignment beam, and absorptive in the near infrared. These filters have a relatively flat spectral response from 1000 nm - 1600 nm and are effective attenuators up to 2600 nm. They can also be used as heat absorbing filters, transmitting <2% above 4 µm.

Unlike their reflective, metallic counterparts, each filter is fabricated from a Schott glass substrate that has been selected for its spectrally flat absorption coefficient in the near-infrared region. By varying the thickness of the glass, we are able to produce our entire line of NIR ND filters. Because of variations between different lots of glass, Photonik recommends that the user calibrate the filter in their setup before taking quantitative measurements.

Optional: SM05, SM1 mounted version available, with additional charge SGD10 for each SM05 or SM1 mount(c/w retaining ring and black teflon washer)