Linear Variable Filters
02/18/2025

A linear variable filters is an optical filter used in many feilds. The transmission spectrum can be continuously varied by changing [...]

Raman Longpass Filter
09/06/2024

Raman Filter is an optical filter used in Raman spectroscopy. We have recentry developed long pass edge filters for  Raman spectroscopy. [...]

New Device Product : Automatic Wavelength Variable Filter
08/22/2024

Automatic Wavelength Variable Filter   We developed new filter module. It is easy to carry out the control in connection with [...]

New Device Product : Fiber Output Multi-wavelength Laser Source
07/12/2024

Fiber Output Multi-wavelength Laser Source   This laser source compatible with various wavelengths. Select any 1 to 3 wavelengths and output [...]

New Device Product : VTFM/FC
12/26/2023

Visible Light Wavelength Tunable Filter with Exchangeable Filter (VTFM/FC)   Wavelength of our conventional TFM/FC is 1260～1650nm. This new VTFM/FC can [...]

Customized Filter for SWIR
03/16/2023

SWIR filter (Broadband filter) Short wavelength infrared (SWIR) light is generally defined as light in the 900-1700 nm wavelength range. SWIR [...]

Update the website
03/10/2023

We’ve updated a page of Long Pass Filter.    We have developed Long pass filter with wide and flat blocking lange. [...]

Customized Filters for Spectral Analysis II
09/08/2022

Steep-Edge Long Pass Filters Steep-edge Long Pass Filters provide very steep cut-on slope, deep rejection and high transmission at the same [...]