How to save captured image in sdcard folder (default path is emulated/Pictures)

var options = {
      sourceType: this.camera.PictureSourceType.CAMERA,
      destinationType: this.camera.DestinationType.DATA_URL,
      allowEdit: false,
      encodingType: this.camera.EncodingType.JPEG,
      saveToPhotoAlbum: true
};
this.camera.getPicture(options).then((imagePath) => {});