Dual Color Laser with Modulation
Dual-color laser for optics and modern physics labs
More than just a laser pointer, Arbor Scientific’s Dual Color Laser is a versatile optics and modern physics tool designed for real investigations. This modulated semiconductor laser contains two independently controlled laser diodes—a 650 nm red and a 532 nm green—allowing students to directly compare how wavelength affects diffraction, interference, and beam behavior. Both lasers can be used individually or simultaneously for side-by-side experiments that make abstract optics concepts immediately visible.
Beyond geometric and wave optics, the Dual Color Laser supports advanced investigations in data transmission and the speed of light. With built-in modulation and external input capability, it bridges classical optics and modern communication physics in a single classroom-ready device.
Why Teachers Love the Dual Color Laser with Modulation
- Two wavelengths, one tool: Red (650 nm) and green (532 nm) lasers enable direct comparison of diffraction and interference effects.
- Immediate visual comparisons: Pass both beams through a double slit to display stacked diffraction patterns for instant analysis.
- Goes beyond basic optics: Internal modulation of the red laser supports experiments in data transmission and speed of light—topics rarely accessible with standard laser pointers.
- Safe and classroom-ready: Key-switch operation prevents unauthorized use; includes a 9 V power supply and full instructions.
Resources
Product Details
What You Can Teach with the Dual Color Laser
Ideal for high school physics, AP Physics, IB, and introductory college courses:
- Diffraction and interference: Compare fringe spacing and patterns for different wavelengths.
- Wavelength dependence: Explore how color affects diffraction and resolution.
- Speed of light (with separate receiver): Use the internal 1 MHz modulation on the red laser with a receiver and oscilloscope to determine (c).
- Optical data transmission: Modulate the laser from an external source to transmit audio (e.g., from a smartphone) to a receiver.
- Modern optics & communications: Connect wave optics to real-world fiber optics and optical signaling systems.
The Dual Color Laser turns a familiar classroom tool into a powerful investigation platform—helping students see, compare, and measure light in ways that standard lasers simply can’t.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.
Product Specifications
Specs:
Dimensions: L x W x H: 150 x 110 x 65
Weight: 390g
Input Voltage: External 9V D.C. +ve pin (Included)
Laser Wavelength: Red: 655 +/- 5nm Green 532 +/- 5nm
Output Power: <1mW max
Modulation: 1Mhz internal, audio frequencies external
What's Included:
1 x Dual color laser unit
1 x 9V PSU
1 x instructions for use
Warning: California Residents
WARNING: Cancer & Reproductive Harm — www.P65Warnings.ca.gov