Electro-Optic Modulation Electro Optic Modulator
The Electro-Optic Modulator is a precision phase modulator engineered to support a range of modulation frequencies from 3 to 25 MHz, covering the full EOM-02 product line detailed below. Within this range, three specific frequencies, 6.25 MHz, 12.5 MHz, and 25 MHz, are purpose-designed for direct compatibility with the TOPTICA Photonics Digilock Module, a widely used tool for laser frequency stabilisation, allowing researchers using the Digilock system to integrate the modulator without additional impedance-matching or frequency-conversion work.
Key Features
- Modulation frequency range – from 3 to 25 MHz
- Laser wavelength range from 400 – 1500 nm with AR coating on the crystals
- Can be mounted in a standard 1-inch Mirror Mount
- MgO doped LiNO3 crystals for higher damage threshold (EOM-02-XX-Y)
- Available with Electro-Optic Amplifier
The various available products are listed in the following table:
| Modulation Frequency (MHz) | Laser Wavelength Range (nm) | ||
|---|---|---|---|
| U (400 - 700) | V (650 - 1000) | IR (1000 - 1500) | |
| 3 | EOM-02-3-U | EOM-02-3-V | EOM-02-3-IR* |
| 5 | EOM-02-5-U | EOM-02-5-V | EOM-02-5-IR* |
| 6 | EOM-02-6-U | EOM-02-6-V | EOM-02-6-IR* |
| 6.25 | EOM-02-6.25-U | EOM-02-6.25-V | EOM-02-6.25-IR* |
| 10 | EOM-02-10-U | EOM-02-10-V | EOM-02-10-IR* |
| 12.5 | EOM-02-12.5-U | EOM-02-12.5-V | EOM-02-12.5-IR* |
| 20 | EOM-02-20-U | EOM-02-20-V | EOM-02-20-IR* |
| 25 | EOM-02-25-U | EOM-02-25-V | EOM-02-25-IR* |
*Available as EOM-01-XX-Y with Lithium Niobate Crystal
The standard characteristics are described in the Factfile tab of the table below.
Please contact us for a quotation for the specific product you require.
Factfile
Standard Characteristics:
| Aperture Diameter | 3mm |
| Crystal Material | Lithium Niobate (EOM-01-XX-Y) / Magnesium Oxide doped Lithium Niobate (EOM-02-XX-Y) |
| Crystal Flatness | Lambda/10 |
| SWR at resonance | <1.1:1 |
| Diameter | 25.4mm (1") |
| Length | 35mm |
| Impedance at resonance | 50 Ω (nominal) |
| Modulation Bandwith | ~3.3% of resonant frequency (-3dB) |
Deliveries
4-6 Weeks ARO
