OFR 925 - 1100 nm Isolators

OFR Globe

Intro

Function

Body Types

I	II	III
IV	V	VI
VIIa	VIII	IX
X	D

FIXED NARROWBAND "ASPIRIN TABLET" ISOLATORS (IO-D SERIES)
Catalog Number	Aperture	Select λ between	Bandwidth	Trans.	Iso.	Max. Power (cw)
IO-D-1053*	1.75 mm	1053 nm **	+ 6 nm	> 70 %	> 42 dB	150 mW
IO-D-1064*	1.75 mm	1064 nm **	± 6 nm	> 80%	> 42 dB	500 mW
IO-D-1083*	1.75 mm	1083 nm **	± 6 nm	> 85%	38 - 43 dB	1 W
See body type D
* IO-D isolators have VLP polarizers. Proper alignment of VLP polarizers is required because of absorption concerns. Discuss with OFR. ** Other wavelengths are also available. Discuss with OFR.

Narrowband Adjustable Isolators (IO- l -Series)
Catalog Number & Polarizer	Aperture	Select Center λ Between	Use Between *	Trans.	Isolation	Body Type
IO-1x2-980-VLP ***	1.0 x 2.0 mm	980 nm	± 20 nm	90-92%	34-40 dB	inquire
IO-2.5D-λ-VLP ***	2.5 mm	950-1010 nm	± 40 nm *	> 86%	28-36 dB	II
IO-3-λ-VLP ***	3.0 mm	925-1020 nm	± 40 nm *	> 88%	36-42 dB	V
IO-3C-λ-VLP ***	3.0 mm	925-1020 nm	± 40 nm *	> 88%	36-42 dB	III
IO-5-λ-VLP ***	5.0 mm	925-1020 nm	± 40 nm *	88-90%	38-42 dB	IX
.
IO-3-λ-HP	3.0 mm	925-1020 nm	± 40 nm *	> 92%	38-43 dB	V
IO-5-λ-HP	5.0 mm	925-1020 nm	± 40 nm *	> 92%	37-42 dB	IX

IO-1x2-λ-VLP ***	1.0 x 2.0 mm	1047-1085 nm	± 20 nm *	90-92%	34-40 dB	inquire
IO-2.5-λ-VLP ***	2.5 mm	1064-1100 nm	discuss **	> 78%	> 42 dB	I
IO-2.5E-λ-VLP ***	2.5 mm	1020-1100 nm	± 40 nm *	> 86%	28-33 dB	II
IO-3D-λ-VLP ***	3.0 mm	1020-1100 nm	± 40 nm *	90-92%	38-44 dB	III
.
IO-5-λ-VLP ***	4.8 mm	1020-1100 nm	± 40 nm *	90-92%	38-44 dB	IX
IO-8-λ-VLP ***	7.8 mm	1020-1100 nm	± 40 nm *	89-91%	33-40 dB	IX
IO-10-λ-VLP ***	9.8 mm	1020-1100 nm	± 40 nm *	89-91%	32-40 dB	IX
.
IO-3-λ-HP	2.8 mm	1020-1100 nm	± 40 nm *	> 93%	38-44 dB	V
IO-5-λ-HP	4.8 mm	1020-1100 nm	± 40 nm *	> 93%	38-44 dB	IX
IO-8-λ-HP	7.8 mm	1020-1100 nm	± 40 nm *	> 92%	33-40 dB	IX
IO-10-λ-HP	9.8 mm	1020-1100 nm	± 40 nm *	> 92%	32-40 dB	IX
.
IO-3-λ-VHP	2.8 mm	1053 or 1064 nm	± 10 nm	> 91%	35-44 dB	V
IO-5-λ-VHP	4.8 mm	1053 or 1064 nm	± 10 nm	> 91%	35-44 dB	IX
IO-8-λ-VHP	8.0 mm	1053 or 1064 nm	± 10 nm	90-92%	33-40 dB	IX
.
IO-10-λ-VHP	9.8 mm	1053 or 1064 nm	± 10 nm	90-92%	30-38 dB	IX
IO-12-λ-VHP	12.0 mm	1053 or 1064 nm	± 10 nm	89-92%	30-38 dB	IX
IO-15-λ-VHP	15.0 mm	1053 or 1064 nm	± 10 nm	88-92%	30-38 dB	IX
IOT-any HP units above: Isolation is ~60 dB. Transmittance is squared. * Do not use outside limits in " Select Center λ" column without discussing with OFR. Max power 500 mW cw at 1064 nm. Transmission and max power varies with wavelength. Discuss with OFR. * Proper alignment of VLP polarizers is required because of absorption concerns. Discuss with OFR.

BROADBAND ADJUSTABLE ISOLATORS (IO-NIR, etc. SERIES)
Catalog Number	Aperture	Use between	Trans.	Iso.	Body Type
IO-5-TIS2-HP	4.7 mm	780-1000 nm	> 91%	> 39 dB	VIII
IO-5-TIS3-HP	4.7 mm	910-1080 nm	> 91%	> 39 dB	VIII

FIXED BROADBAND ISOLATORS (IO-BB SERIES)
Catalog Number	Aperture	Peak Wavelength	Use between	Trans.	Iso.	Body Type
IO-5BB-950-HP	4.7 mm	950 nm	898 - 1013 nm	> 88 %	> 33 dB	VIII

TYPES OF POLARIZERS AND POWER LIMITS
Model	Type of Polarizer	CW	Pulsed *	Comments
VLP	Thin Plate	25 W/cm²	300 kW/cm²	Narrowband
HP	Air-spaced Calcite	500 W/cm²	150 MW/cm²	Broadband
HP(YAG)	Air-spaced Calcite	750 W/cm²	200 MW/cm²	Narrowband - 1064nm only
VHP	Air-spaced Calcite	20 kW/cm²	1 GW/cm²	488, 532, 1053, 1064 only
* Pulsed measurements made at 1064 nm, 20 ns pulse width, 20 Hz.

ISOLATOR TYPES
IO-D Series	IO-λ Series	IO-TIS2, etc. Series	IO-BB Series
Very small Single λ Not adjustable	Extremely large λ selection "Tweekable" Best for single λ	Wide operating bands Fixed Polarizers Best for tunable lasers	Hands-off operation Wide operating bands

Body Types
Click on the appropriate link for dimensions.

Body D	Body Type I	Body Type II
Body Type III	Body V	Body VIII
Body Type IX

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