Fiber to Free-space Isolators with Beam Expander

Fiber to Free-space Isolators with beam expander:

  • Verdet constant is double that of TGG’s
  • Compact package with large aperture

Pkg dimensions Free StandingPkg dimensions Free Standing2

Application:

1um High Power Isolators

Specifications/PNFS-XX-XX-256808-PIFS-XX-XX-257415-PIFS-XX-XX-195630-PDFS-XX-XX-256830-PDFS-XX-XX-316840-PDFS-XX-XX-316850-PD
Center wavelength1050-1064nm1000-1100nm
Power Handling30W50W15W (b)30W (a)
20W (b)		50W (a)
20W (b)
Clear Aperture1.5mm1.5mm3.0mm4.0mm5.0mm
Beam Dia.(1/e2)1.0mm0.7mm1.5mm2.0mm3.0mm
Package typeGD'ABCD
Type of IsolatorPI (Displacer)PD (PBS)
Insertion Loss0.2dB max.0.2dB max. (a)
0.3dB max. (b)
Isolation (0-50° C)30dB min.
(20dB min.)		30dB min.
(20dB min.)
PDL0.1dB max.-
PER-30dB min.
Return Loss50dB min.50dB min.
Operating temp.0-50° C
Storage Temp.-20 - 70° C

Middle Power Isolators

Specifications / PNFS-633-01-121620-PDFS-633-01-182248-PDFS-XX-XX-226830-PDFS-XX-XX-226840-PD
Center wavelength633nm800-980nm
Power Handling1W10W
Clear Aperture2.0mm4,8mm3.0mm4.0mm
Beam Dia. (1/e2)1.0mm2.5mm1.5mm2.0mm
Package typeEE'F
Type of IsolatorPD (Glass Polarizer)PD (PBS)
Insertion Loss0.5dB max.0.5dB max.
Isolation (0 - 50° C)30dB min.
(20dB min.)		30dB min.
(20dB min.)
PDL--
PER30dB min.30dB min.
Return Loss50dB min.50dB min.
Operating Temp.0 - 50° C
Storage Temp.-20 - 70° C