Methods, arrangements and apparatus for utilizing a wavelength-swept laser using angular scanning and dispersion procedures

A source arrangement for providing at least one particular electromagnetic radiation, comprising:

• at least one emitter arrangement configured to provide the at least one particular electromagnetic radiation;
• at least one first arrangement configured to receive the at least one particular electro-magnetic radiation and forward at least one first electro-magnetic radiation at different angles with respect to a direction of incidence of the at least one particular electro-magnetic radiation;
• and
• at least one wavelength dispersion second arrangement configured to receive the at least one first electro-magnetic radiation, forward at least one second electro-magnetic radiation to the at least one first arrangement and further receive at least one third electro-magnetic radiation, wherein the at least one second electro-magnetic radiation is a return radiation from the at least one wavelength dispersion second arrangement based on the at least one first electro-magnetic radiation, and wherein the at least one third electro-magnetic radiation is a direct reflection of the at least one second electro-magnetic radiation from the at least one first arrangement.

A method for filtering an electromagnetic radiation, comprising:

• receiving at least one first electro-magnetic radiation and forwarding at least one second electro-magnetic radiation at different angles with respect to a direction of incidence of the at least one first electro-magnetic radiation;
• and
• receiving the at least one second electro-magnetic radiation, intentionally forwarding at least one third electro-magnetic radiation to the at least one first arrangement and further receiving at least one fourth electro-magnetic radiation,
• wherein the at least one third electro-magnetic radiation is a return radiation from the at least one wavelength dispersion second arrangement based on the at least one second electro-magnetic radiation, and wherein the at least one fourth electro-magnetic radiation is a direct reflection of the at least one third electro-magnetic radiation from the at least one first arrangement.

A method for providing at least one particular electromagnetic radiation, comprising:

• providing the at least one electromagnetic radiation using at least one emitter arrangement;
• receiving the at least one particular electro-magnetic radiation and intentionally forwarding at least one first electro-magnetic radiation at different angles with respect to a direction of incidence of the at least one particular electro-magnetic radiation;
• and
• receiving the at least one first electro-magnetic radiation, forwarding at least one second electro-magnetic radiation to the at least one first arrangement and further receiving at least one third electro-magnetic radiation using at least one second wavelength dispersion arrangement,
• wherein the at least one second electro-magnetic radiation is a return radiation from the at least one wavelength dispersion second arrangement based on the at least one first electro-magnetic radiation, and wherein the at least one third electro-magnetic radiation is a direct reflection of the at least one second electro-magnetic radiation from the at least one first arrangement.