# SR540 Stanford Research Fiber Optic Equipment Used

**Additional Features:**

-   4 Hz to 3.7 kHz chopping frequencies
-   Low phase jitter
-   Single and dual beam experiments
-   Sum & difference reference outputs
-   Bolt clamp or rod mounting

The SR540 chopper will handle all your optical chopping requirements—from simple measurements to dual-beam and intermodulation experiments. The SR540 has a 4-digit frequency display, front-panel frequency control, analog voltage frequency control and two reference outputs with selectable operating modes.

Two anodized aluminum blades are provided: a 5/6 slot blade for frequencies up to 400 Hz, and a 25/30 slot blade for frequencies up to 3.7 kHz. Reference outputs are provided for frequencies corresponding to each row of slots, as well as the sum and difference frequencies.

## Details

- **Price:** 1095.0 USD
- **Vendor:** Stanford Research
- **Type:** Fib Optic
- **Tags:** Fiber Optic, Manufacturers, Other Equipment, product_manual_group_1, Product_used, Stanford Research

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1095.00 USD | In stock |

## Images

- SR540 Stanford Research Fiber Optic Equipment Used

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> Source: [ValueTronics](https://valuetronics.com/products/sr540-stanford-research-fiber-optic-equipment-used)
> Updated: 2026-05-21