Method and apparatus for detecting optimum recording power for an optical disk

A method for determining optimum recording power distribution in a modified constant linear velocity (ZCLV) formatted optical disk having multiple data recording areas, comprising the steps of:

• performing multiple test recordings in a plurality of areas having different radii of the optical disk which occur within a single zone of the optical disk which rotates at a constant angular velocity;
• determining an optimum recording power for each of the plurality of areas;
• and
• determining a recording power distribution proportional to both linear velocity and a ratio of radii of said plurality of areas for each of the radii of the multiple data recording areas which rotate at different angular velocities by analyzing the optimum recording powers for each of the plurality of areas.

A system of determining a recording power distribution in a modified constant linear velocity (ZCLV) formatted optical disk, comprising:

• means for writing two optimum power control (OPC) areas with varying recording powers in a constant angular velocity zone of the disk;
• means for determining an optimum recording power for each of the two OPC areas;
• and
• means for determining a recording power distribution proportional to both linear velocity and a ratio of the radii of said two optimum power control areas for the constant angular velocity zone of the disk by analyzing the optimum recording power which was determined for the two OPC areas.

A system for determining optimum recording power distribution in a modified constant linear velocity (ZCLV) formatted optical disk having multiple data recording areas, comprising:

• means for performing multiple test recordings in a plurality of areas having different radii of the optical disk which occur within a single zone of the optical disk which rotates at a constant angular velocity;
• means for determining an optimum recording power for each of the plurality of areas;
• and
• means for determining a recording power distribution proportional to both linear velocity and a ratio of radii of said plurality of areas for each of the radii of the multiple data recording areas which rotate at different angular velocities by analyzing the optimum recording powers for each of the plurality of areas.

A system of determining a recording power distribution in a modified constant linear velocity (ZCLV) formatted optical disk, comprising:

• a device which writes two optimum power control (OPC) areas with varying recording powers in a constant angular velocity zone of the disk;
• a device configured to determine an optimum recording power for each of the two OPC areas;
• and
• a device configured to determine a recording power distribution proportional to both linear velocity and a ratio of the radii of said two optimum power control areas for the constant angular velocity zone of the disk by analyzing the optimum recording power which was determined for the two OPC areas.

A system for determining optimum recording power distribution in a modified constant linear velocity (ZCLV) formatted optical disk having multiple data recording areas, comprising:

• a device configured to perform multiple test recordings in a plurality of areas having different radii of the optical disk which occur within a single zone of the optical disk which rotates at a constant angular velocity;
• a device configured to maintain an optimum recording power for each of the plurality of areas;
• and
• a device configured to determine a recording power distribution proportional to both linear velocity and a ratio of radii of said plurality of areas for each of the radii of the multiple data recording areas which rotate at different angular velocities by analyzing the optimum recording powers for each of the plurality of areas.

An optical disk, comprising:

• a single optimum power control (OPC) area located at an innermost area of said optical disk;
• and
• a plurality of data recording areas each having a different constant angular velocity,
• wherein said single OPC area is utilized for making test recordings to determine recording power distributions across each of said plurality of data recording areas.