AbstractExperiments have been carried out to obtain a method different from the conventional method, to optically read out the signal recorded on a magnetic recording medium by transferring it to a magnetic garnet film. This method forms straight parallel stripe magnetic domains in the garnet film, and the read‐out is done by varying the domain width using the stray field from the recording medium.Static transfer and dynamic readout experiments have been done using a garnet film with straight stripe magnetic domains with the domain width of 2.25 μm and the domain period of 4.5 μm. Statically, the transfer of the signal with a wide range of recording wavelength 5 μm‐200 μm was done without any domain disturbances. Also, there were no unnecessary domains between the transferred tracks. On the other hand, when the magnetic sheet disk was rotated with a relative speed of 50 m/s, a stable readout of the signal with 0.25 MHz to 10 MHz was possible using a laser beam with a spot radius of 5 μm.These experimental results indicate that the new transfer method is suitable for a signal read‐out of narrow track recording, and that it is superior in high‐speed response. Further, from the analysis of the readout model, a further improvement of the readout characteristics is shown possible by reducing the spot radius.