Cheap and high quality Optical Filters , high quality optical bandpass filter for laser

Bandpass filters

 Biochemical analyzer - band-pass interference filters :

                                   - 340nm filter optical coating
                                   - 380nm filter optical coating
                                   - 405nm filter optical coating
                                   - 420nm filter optical coating
                                   - 450nm filter optical coating
                                   - 510nm filter optical coating
                                   - 546nm filter optical coating
                                   - 570nm filter optical coating
                                   - 620nm filter optical coating
                                   - 670nm filter optical coating

Microplate - band-pass interference filters

Gas analysis instrument - band-pass interference filters

                                   - S piece 365nm filters
                                   - P piece 530nm filters
                                   - K piece 670nm filters used for flame photometric
                                   - NA   piece  589.3 chips for flame photometric filters

CCD imaging dedicated filters - 650nm narrowband filters
                                                  - 635nm narrowband filters
                                                  - 850nm narrowband filters

                                                  - 940nm narrowband filters