Patent ID: 7440369

Claim:
An information recording apparatus, comprising: a recording device for recording record information, by irradiating laser light with a variable recording power, onto an information recording medium comprising: a first recording layer into which the record information is recorded; and a second recording layer into which the record information is recorded through said first recording layer; a calculating device for recording test information for test writing by irradiating said second recording layer with the laser light through a recording area in which the record information is unrecorded in said first recording layer with said recording device, to thereby calculate an optimum power of the laser light in recording the record information by irradiating said second recording layer with the laser light through a recording area in which the record information is already recorded in said first recording layer; and a controlling device for controlling said recording device to irradiate the laser light with the optimum power calculated by said calculating device, in recording the record information into said second recording layer, wherein said calculating device calculates the optimum power by correcting correlation information which indicates a correlation between reproduction quality of the test information and the recording power.