BS3 | Reference cell CARS beam splitter | Tmax: ≥532 nm, Rmax: <500 nm, p-pol, 45° AOI | a, c |
D1 | 532-nm/1.06-μm Dichroic beam splitter | 2-in. diam, 45° AOI, p-pol(532 nm), Rmin(532 nm) = 99.5%, Tmin(1.06 μm) = 85% |
a
|
D2 | BOXCARS pump/Stokes coupling dichroic | 2-in. diam, 45° AOI, Rmax at 532 nm, Tmax at 580–680 nm, BBAR coating on back | a, b |
D3 | CARS/pump, Stokes splitting dichroic | R(532 nm) ≥ 99.7%, R(570–680 nm) ≥ 80%, T(440–500 nm) ≥ 50%, 45° AOI, 2-in. diam |
a
|
DC
| Dye cell windows | 2-in. diam, 0.375 in. thick, λ/20 fused silica, wedge < 1″, uncoated | |
F1 | 1. 06-μm Absorbing glass | 4 in.2, 2 mm thick, Tmax(532 nm) = 90%, Tmin(1.06 μm) = 0.0001 | |
F2 | CARS Absorbing glass | 2 in.2, 3 mm thick, Tmax: ≥532 nm, Tmin: ≤500 nm |
c
|
F3 | CARS Pump filter | 2 in.2, Tmin < 0.00001 at 532 nm, Tmax > 50% at 440–550 nm |
c
|
F4 | Spectrometer to neutral density filter | N/D = 0 to 4.0, 100 mm diam, circular |
d
|
FO
| Spectrometer fiber optic | 0.14 N.A., 50–100 diam | |
G
| Spectrometer grating | 20.3-cm diam, f/3.8, 2000 lines/mm disp. = 5.26 A/mm |
d
|
L1 | Dye laser pump lens | 200-mm FL, 50-mm diam |
b
|
L2 | Pump telescope eyepiece | −100-mm FL, 30-mm diam, 532 nm AR coated | a, b |
L3 | Pump telescope objective | 200-mm FL, 30-mm diam typ, 532 nm AR coated | a, b |
L4 | Stokes telescope objective | −50-mm FL, 30-mm diam, BBAR coated | a, b |
L5 | Stokes telescope eyepiece | 150-mm FL, 30-mm diam typ, BBAR coated | a, b |
L6 | Field lenses | 300-mm FL, 66-mm diam typ, BBAR coating | a, b |
L7 | CARS focusing lens | 65-mm FL, 25-mm diam, achromat | |
L8 | Reference cell lenses | 150-mm FL, 52-mm diam, 532 nm AR coated | a, c |
M1 | 1.06-μm turning mirror | 2-in. diam, 45° AOI, p-pol, Rmin = 99.5% |
a
|
M2 | 532-nm Turning mirror | 2-in. diam, 45° AOI, p-pol, Rmin = 99.5% |
a
|
M3 | 532-nm Periscope mirror | 2-in. diam, 45° AOI, s-pol, Rmin = 99% |
a
|
M4 | Broadband dye laser mirror | 1-in. diam, Rmin = 99% from 580 to 680 nm, 0° AOI |
a
|
M5 | Broadband dye laser output mirror | 1-in. diam, R = 50% from 580 to 680 nm, 0° AOI |
a
|
M6 | CARS signal turning mirror | 2-in. diam, aluminized, front surface | |
M7 | Spectrometer turning mirror | Elliptical, 18.0 × 12.7 mm enhanced aluminum |
d
|
P1 | Dye laser osc/amp coupling prism | 2-in.2 faces, BBAR coating on hypotenuse |
a
|
P2 | Dye laser output coupling prism | 1-in.2 faces, BBAR coating on both faces |
a
|
P3 | Field prisms | 2-in.2 faces, BBAR coating both sides | |
PB
| Pelam-Brocca prism | 20-mm square aperture | |