Patent ID: 8917959

Claim:
An analyzing element comprising: a detection light inputting section to which a detection light is input; an optical divider which divides said input detection light; a detector to which said divided detection light is guided; an optical coupler which couples said detection light output from said detector; and a detection light outputting portion which outputs said coupled detection light, wherein said detector has a sample chamber into which a gas or liquid sample is introduced and first and second detection light waveguides which are disposed in parallel to each other with said sample chamber interposed therebetween, wherein each of said first and second detection light waveguides has an exposed surface which is exposed to an inner portion of said sample chamber, wherein said detection light propagating in a direction along said detection light waveguides is input to the detection light inputting portion, wherein the analyzing element further comprises a first and second units, each of which is constructed with said detector, said optical divider, and the optical coupler, wherein said first and second units are optically connected with each other, and wherein said detection light waveguide included in the first unit and said detection light waveguide included in the second unit have different light-guide directions.