FOCI's High Isolation Filters are ultra reliable devices featuring high port isolation, low insertion loss, and high port isolation over wide ranges of temperature and wavelength. The High Isolation Filters are designed to filter out different optical wavelengths in optical amplifiers. With its innovative Fused Biconical Taper (FBT) process, FOCI's F-HI series High Isolation Filters are proven to provide exceptional characteristics for all applications demanding critical performance. Available in a wide variety of packaging configurations, these F-HI series are operable in 1310nm pass/1550nm stop, 1310nm stop/1550nm pass, 1310nm pass/1650nm stop, 1310nm stop/1650nm pass, 1550nm pass/1650nm stop, or 1550nm stop/1650nm pass. Various types of pigtailing and connector terminations are available to meet your requirements.
Specifications:
Features:
- The packaging option codes are explained in packaging dimensions below.
- Extra high isolation.
- Low insertion loss.
- High port isolation.
- Environmentally stable.
- Custom defined specifications.
Others:
| High isolation filter | Item | Item | Item | Item | Item | Item | Item |
| Stop/pass | Insertion loss (dB) | Insertion loss (dB) | Insertion (dB) | Insertion (dB) | Stop band (nm) | Packaging | Packaging |
| Stage | 2 | 3 | 2 | 3 | 2/3 | 2 | 3 |
| 1310nm stop/1550nm pass | < 0.8 | < 1.2 | > 30 | > 40 | 40 | A2, MA, MB | A3, MA, MB |
| 1310nm pass/1550nm stop | < 0.8 | < 1.2 | > 30 | > 40 | 40 | A2, MA, MB | A3, MA, MB |
| 1310nm stop/1650nm pass | < 0.8 | < 1.2 | > 30 | > 40 | 40 | A2, MA, MB | A3, MA, MB |
| 1310nm pass/1650nm stop | < 0.8 | < 1.2 | > 30 | > 40 | 40 | A2, MA, MB | A3, MA, MB |
| 1550nm stop/1650nm pass | < 0.8 | < 1.2 | > 30 | > 40 | 20 | A3, MA, MB | A3, MA, MB |
| 1550nm pass/1650nm stop | < 0.8 | < 1.2 | > 30 | > 40 | 20 | A3, MA, MB | A3, MA, MB |
Ordering information:
- Minimum Order: Negotiable set