SKU: OITG
The OITG Series Free-Space Optical Isolator is a unidirectional light valve designed to transmit light in the forward direction while blocking back-reflection and back-scattering in the reverse direction, ensuring effective protection of laser sources from destabilizing feedback or damage. Each isolator uses high-quality TGG Faraday crystals with low loss and high optical-power tolerance, making them ideal for demanding applications. The OITG family is available with a range of options, including mounted polarizers, peak-wavelength tuning configurations, and integrated tap monitors for feedback control. Adding polarizers enhances isolation by removing unwanted polarization components. For high-power systems, fused-silica PBS cubes are used, while thin-film PolaCore elements support low-power and compact configurations. An optional waveplate allows users to tune the peak isolation wavelength by rotation and fixation. Agiltron also offers customized design solutions to meet application-specific requirements, ensuring optimal performance and flexibility. The TGG optical-damage thresholds for both 1060 nm and 532 nm are provided so customers can determine the required beam diameter for safe operation and select isolators with matching apertures. We also provide beam-expansion and re-collimation collimators, and for extreme power handling we offer broadband kW-class isolators engineered to eliminate thermal-lensing effects.
| Buy now | Part Number | Wavelength (nm) |
Aperture (mm) |
Isolation (dB) |
Transmission (%) |
Damage Threshold @10ns (J/cm2) | Polarizer | Price |
Available | Datasheet |
 |
OITG-140121221 | 405 | 3 | >30 | >85 | 3.5 | None | $𝟣,𝟪𝟪𝟪 | 5 weeks |  |
|
OITG-140151221 | 405 | 5 | >30 | >90 | 3.5 | None | $𝟤,𝟤𝟫𝟩 | 5 weeks | |
|
OITG-153121221 | 532 | 3 | >30 | >90 | 3.5 | None | $𝟣,𝟢𝟤𝟪 | 5 weeks | |
|
OITG-153151221 | 532 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟥𝟧𝟪 | 5 weeks | |
|
OITG-163121221 | 633 | 3 | >30 | >90 | 3.5 | None | $𝟣,𝟢𝟤𝟪 | 5 weeks | |
|
OITG-163151221 | 633 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟥𝟧𝟪 | 5 weeks | |
|
OITG-178111221 | 780 | 2 | >30 | >90 | 3.5 | None | $𝟫𝟦𝟤 | 7 days | |
|
OITG-178151221 | 780 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟥𝟢𝟩 | 5 weeks | |
|
OITG-185111221 | 850 | 2 | >30 | >90 | 3.5 | None | $𝟫𝟥𝟨 | 3 days | |
|
OITG-185151221 | 850 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟧𝟨𝟢 | 5 weeks | |
|
OITG-194111221 | 940 | 2 | >30 | >90 | 3.5 | None | $𝟫𝟥𝟨 | 5 weeks | |
|
OITG-194151221 | 940 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟧𝟨𝟢 | 5 weeks | |
|
OITG-198121221 | 980 | 3 | >30 | >90 | 3.5 | None | $𝟫𝟦𝟧 | 5 weeks | |
|
OITG-198151221 | 980 | 5 | >30 | >90 | 3.5 | None | $𝟣,𝟧𝟨𝟢 | 5 weeks | |
|
OITG-113111221 | 1030 | 2 | >30 | >90 | 5 | None | $𝟫𝟣𝟪 | 3 days | |
|
OITG-113151221 | 1030 | 5 | >30 | >90 | 5 | None | $𝟣,𝟧𝟨𝟢 | 5 weeks | |
|
OITG-113181221 | 1030 | 8 | >30 | >90 | 5 | None | $𝟣𝟥,𝟫𝟪𝟥 | 5 weeks | |
|
OITG-1131A1221 | 1030 | 10 | >30 | >90 | 5 | None | $𝟤𝟧,𝟢𝟩𝟦 | 5 weeks | |
|
OITG-116111221 | 1060 | 2 | >30 | >90 | 5 | None | $𝟫𝟥𝟨 | 3 days | |
|
OITG-116151221 | 1060 | 5 | >30 | >90 | 5 | None | $𝟤,𝟦𝟣𝟩 | 5 weeks | |
|
OITG-116181221 | 1060 | 8 | >30 | >90 | 5 | None | $𝟫,𝟦𝟫𝟫 | 5 weeks | |
|
OITG-1161A1221 | 1060 | 10 | >30 | >90 | 5 | None | $𝟤𝟢,𝟥𝟤𝟤 | 5 weeks | |
|
OITG-1161B1221 | 1060 | 25 | >30 | >90 | 5 | None | $𝟦𝟧,𝟨𝟩𝟧 | 5 weeks | |
Note:
1. The recommended operating temperature is 10-30℃.
2. Other wavelengths available.
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